Bolts OST1

№
Name of production
1 ОSТ 1 00552-72 Bolts and screws from titanium alloy VТ16 (made by cold heading, deformation-strength improved).
2 ОSТ 1 00595-72 Bolts and screws from heat-resistant titanium alloy VТ3-1.
3 ОSТ 1 00597-72 Bolts, screws and studs from titanium alloy VТ16 (made by hot heading, heat-treated).
4 ОSТ 1 01007-81 Bolts and screws from polyamide.
5 ОSТ 1 03917-78 Patch bolts. Length and diameters of grips and thread runouts.
6 ОSТ 1 10063-71 Bolts.
7 ОSТ 1 10091-71 Clamp bolts under ОSТ 1 10085-71 and ОSТ 1 10086-71 from steel 10H11N23Т3MR-VD (H12N22Т3МR-VD, EP33-VD).
8 ОSТ 1 10174-78 Bolt heads. Stop kits.
9 ОSТ 1 10239-71 Bolts.
10 ОSТ 1 10240-71 Bolts.
11 ОSТ 1 10444-72 Eye-bolts.
12 ОSТ 1 10559-72 Clevis bolts.
13 ОSТ 1 10560-72 Eye-bolts.
14 ОSТ 1 10569-72 Bolts with hexagon head and core diameter tolerance f9 from titanium alloy VT16.
15 ОSТ 1 10570-72 Bolts with hexagon downscale head, core diameter tolerance u8 from titanium alloy VT16, deformation-resistant.
16 ОSТ 1 10571-72 Bolts with 90° angle countersunk head, cross recess and core diameter tolerance f9 from titanium alloy VT16, deformation-resistant.
17 ОSТ 1 10572-72 Bolts with 90° angle countersunk head, cross recess and core diameter tolerance u8 from titanium alloy VT16, deformation-resistant.
18 ОSТ 1 10573-72 Bolts with 90° angle countersunk head, director cone and cross recess, with core diameter tolerance f9 from titanium alloy VT16, deformation-resistant.
19 ОSТ 1 10574-72 Bolts with 90° angle half-countersunk head and cross recess, with core diameter tolerance h8 from titanium alloy, deformation-resistant.
20 ОSТ 1 10575-72 Bolts with downscale flattened-round head and core diameter tolerance f9 from titanium alloy, deformation-resistant.
21 ОSТ 1 10654-90 Eye-bolts.
22 ОSТ 1 10677-72 Bolts.
23 ОSТ 1 10818-72 Bolts with hexagon head and core diameter tolerance f9 from heat-resistant titanium alloy.
24 ОSТ 1 10819-72 Bolts with hexagon head fit f7 from heat-resistant titanium alloy.
25 ОSТ 1 10829-72 Bolts with hexagon head and core diameter tolerance f9 from titanium alloy VT16.
26 ОSТ 1 10830-72 Bolts with downscale hexagon head, core diameter tolerance p6 and short threaded part from titanium alloy.
27 ОSТ 1 10831-72 Bolts with downscale hexagon head, core diameter tolerance f9 and short threaded part from titanium alloy.
28 ОSТ 1 10832-72 Bolts with 90° angle countersunk head and cross recess, core diameter tolerance f9 and short threaded part from titanium alloy.
29 ОSТ 1 10833-72 Bolts with 90° angle countersunk head and cross recess, core diameter tolerance f9 and short threaded part from titanium alloy.
30 ОSТ 1 10834-72 Bolts with 90° angle countersunk head and cross recess, core diameter tolerance p6 and short threaded part from titanium alloy.
31 ОSТ 1 10835-72 Bolts with 90° angle countersunk head and cross recess, director cone and core diameter tolerance f9 from titanium alloy.
32 ОSТ 1 10836-72 Bolts with 120° angle half-countersunk head and core diameter tolerance f9 from titanium alloy.
33 ОSТ 1 10837-72 Bolts with downscale flattened-round head and core diameter tolerance f9 from titanium alloy.
34 ОSТ 1 11058-85 Eye-bolts.
35 ОSТ 1 11103-73 Bolts.
36 ОSТ 1 11168-73 Screws.
37 ОSТ 1 11259-83 Bolts.
38 ОSТ 1 11540-74 Bolts.
39 ОSТ 1 11644-74 Bolts with 12-slotted head (diameter of grip is equivalent to diameter of bolt stock thread rolling) from steel 10H23T3MR-VD.
40 ОSТ 1 11645-74 Bolts with 12-slotted head from heat-resistant steel 10H11N23Т3MR-VD.
41 ОSТ 1 11646-74 Bolts with 12-slotted head and long threaded part from heat-resistant steel 10H11N23Т3MR-VD.
42 ОSТ 1 11677-76S Bolts with weight-reduced hexagon head from steel 13H11N2V2MF-SH.
43 OST 1 11678-76 Bolts with weight-reduced hexagon head from heat-resistant steel 10H11N23Т3MR-VD.
44 ОSТ 1 11679-76 Bolts with two-sided head from steel 13H11N2V2MF-SH.
45 ОSТ 1 11680-76 Bolts with two-sided head from steel 10H11N23Т3MR-VD.
46 ОSТ 1 11681-76 Bolts with two-sided head (with director neck) from steel 13H11N2V2MF-SH.
47 ОSТ 1 11682-76 Bolts with two-sided head (with director neck) from steel 10H11N23Т3MR-VD.
48 ОSТ 1 11738-74 Bolts with weight-reduced hexagon head and core diameter tolerance f9 from titanium alloy VT16.
49 ОSТ 1 11739-74 Bolts with weight-reduced hexagon head fit Pl and short threaded part from titanium alloy.
50 ОSТ 1 11740-74 Bolts with weight-reduced hexagon head fit Hz and short threaded part from titanium alloy.
51 ОSТ 1 11742-74 Bolts with 90° angle downscale flattened-round head and cross recess, core diameter tolerance p6 and short threaded part from titanium alloy.
52 ОSТ 1 11908-74 Bolts with weight-reduced hexagon head and core diameter tolerance f9 from titanium alloy.
53 ОSТ 1 11909-74 Bolts with 90° angle countersunk head and cross recess, core diameter tolerance p6 from titanium alloy.
54 ОSТ 1 11910-74 Bolts with 90° angle countersunk head and cross recess, core diameter tolerance u8 and short threaded part from titanium alloy.
55 ОSТ 1 11915-76 Bolts with pan head from steel 16HSN (for calibrated tightening).
56 ОSТ 1 11918-76 Bolts with 90° angle countersunk head from steel 16HSN (for calibrated tightening).
57 ОSТ 1 11921-76 Bolts with 90° angle countersunk head from steel 16HSN (for calibrated tightening).
58 ОSТ 1 11933-74 Bolts with weight-reduced hexagon head short threaded part.
59 ОSТ 1 11934-74 Bolts with downscale 90° angle countersunk head and with core diameter tolerance p6 and short threaded part from steel 16HSN.
60 ОSТ 1 11935-74 Bolts with downscale 90° angle countersunk head and with core diameter tolerance p6 and short-cut threaded part from steel 16HSN.
61 ОSТ 1 11936-74 Bolts with downscale 90° angle countersunk head and with core diameter tolerance u8 and short threaded part from steel 16HSN.
62 ОSТ 1 12085-77 Bolts with downscale hexagon head of special transitional fit from titanium alloy.
63 ОSТ 1 12086-77 Bolts with 90° angle countersunk head from titanium alloy for transitional fit connecting.
64 ОSТ 1 12516-76 Bolts.
65 ОSТ 1 12517-76 Tie bolts.
66 ОSТ 1 12689-76 Eccentric bolts.
67 ОSТ 1 12696-77 Hold-down bolts for hoist fittings.
68 ОSТ 1 12697-77 Bolts.
69 ОSТ 1 12891-77 Bolts.
70 ОSТ 1 13043-78 Clevis bolts.
71 ОSТ 1 13044-78 Eye-bolts.
72 ОSТ 1 13998-81 Bolts for guaranteed tension connecting. Construction and sizes of lead-in.
73 ОSТ 1 14091-81 Anchor bolts.
74 ОSТ 1 14454-86 Bolts with 90° angle countersunk head from polyamide.
75 ОSТ 1 14455-86 Bolts with round head from polyamide.
76 ОSТ 1 14624-88 Studs for implementation to clearance holes.
77 ОSТ 1 14635-88 Bolts assemblies.
78 ОSТ 1 14636-88 Bolts.
79 ОSТ 1 14637-88 Bolts assemblies.
80 ОSТ 1 14638-88 Bolts.
81 ОSТ 1 31003-76 Bolts with downscale hexagon head fit f9 from titanium alloy.
82 ОSТ 1 31019-77 Special bolts with 12-slotted head from heat-resistant steel 10H11N23T3MR-VD.
83 ОSТ 1 31020-77 Special bolts with 12-slotted head from heat-resistant steel alloy HN73МBTU-VD.
84 ОSТ 1 31023-77 Special bolts with 12-slotted head and 12-slotted self-locking nuts. 
85 ОSТ 1 31024-77 Bolts with pan head from titanium alloy (for calibrated tightening).
86 ОSТ 1 31025-77 Bolts with 90° angle countersunk head from titanium alloy (for calibrated tightening).
87 ОSТ 1 31026-77 Bolts with 120° angle countersunk head from steel 16HSN (for calibrated screwing).
88 ОSТ 1 31036-78 Attachment bolts with 12-slotted head from steel 40HN2MA.
89 ОSТ 1 31037-78 Patch bolts with hexagon head from steel 30HGSA.
90 ОSТ 1 31040-79 Bolts with 90° angle pan head with technology shank end from titanium alloy.
91 ОSТ 1 31041-79 Bolts with 90° angle countersunk head with technology shank from titanium alloy (for tension connecting).
92 ОSТ 1 31042-79 Bolts with pan head with technology shank end from steel 30 HGSA (for tension connecting from 0,8 to 1,2%).
93 ОSТ 1 31043 Bolts with 90° angle countersunk head with technology shank end from steel 30 HGSA (for tension connecting from 0,8 to 1,2%).
94 ОSТ 1 31044-79 Bolts with pan head with technology shank end from steel 30 HGSA (for tension connecting from 0,2 to 0,6%).
95 ОSТ 1 31045-79 Bolts with 90° angle countersunk head with technology shank end from steel 30 HGSA (for tension connecting from 0,2 to 0,6%).
96 ОSТ 1 31048-78 Bolts with 12-slotted head from steel 13H11N2V2MF-SH.
97 ОSТ 1 31049-78 Bolts with 12-slotted head and extended threaded part from steel 13H11N2V2MF-SH.
98 ОSТ 1 31053-79 Bolts with weight-reduced hexagon head and core diameter tolerance f7 from steel 13H11N2V2MF-SH.
99 ОSТ 1 31054-79 Bolts with weight-reduced hexagon head and core diameter tolerance f7 from steel 10H11N23T3MR-VD.
100 ОSТ 1 31055-80 Shoulder bolts with hexagon head from steel 30HGSN2A-VD.
101 ОSТ 1 31056-80 Shoulder bolts with less than 90° angle countersunk head with slot recess from steel 30HGSN2A-VD.
102 ОSТ 1 31065-86 Bolts with pan heads from titanium alloy VT16 for tension connecting.
103 ОSТ 1 31066-86 Bolts with pan heads with technology shank end from titanium alloy VT16 for tension connecting.
104 ОSТ 1 31067-86 Bolts with downscale 90° angle countersunk head with internal hexagon in body and core diameter tolerance u8 from titanium alloy.
105 ОSТ 1 31068-86 Bolts with downscale 90° angle countersunk head from titanium alloy for tension connecting from 0,7 tо 1,2%.
106 ОSТ 1 31069-86 Bolts with downscale 90° angle countersunk head with technology shank end from titanium alloy VT16 for tension connecting.
107 ОSТ 1 31098-80 Bolts, screws and studs. Testing methods.
108 ОSТ 1 31100-80 Bolts, screws and studs. Calculating breaking load.
109 ОSТ 1 31101-80 Bolts, screws and studs. Technical specification.
110 ОSТ 1 31102-80 Bolts with hexagon head from steel 45.
111 ОSТ 1 31103-80 Bolts with hexagon head from steel 30HGSA.
112 ОSТ 1 31104-80 Bolts with hexagon head from steel 14H17N2.
113 ОSТ 1 31105-80 Bolts with hexagon head from steel 13H11N2V2MF-SH.
114 ОSТ 1 31106-80 Bolts with hexagon head from steel 07H16N6-SH.
115 ОSТ 1 31107-80 Bolts with hexagon head from aluminum alloy D1P.
116 ОSТ 1 31108-80 Bolts with hexagon head from latten alloy LS59-1.
117 ОSТ 1 31109-80 Bolts with hexagon head and recess from steel 30HGSA.
118 ОSТ 1 31110-80 Bolts with hexagon head and recess from steel 14H17N2.
119 ОSТ 1 31111-80 Bolts with hexagon head and recess from steel 13H11N2V2MF-SH.
120 ОSТ 1 31112-80 Bolts with hexagon head and recess from steel 10H11N23T3MR-VD.
121 ОSТ 1 31113-80 Bolts with hexagon head and recess from steel 07H16N6-SH.
122 ОSТ 1 31114-80 Bolts with hexagon head and recess from latten alloy LS59-1
123 ОSТ 1 31115-80 Bolts with downscale hexagon head for wrench from steel 14H17N2.
124 ОSТ 1 31116-80 Bolts with downscale hexagon head for wrench from steel 13H11N2V2MF-SH.
125 ОSТ 1 31117-80 Bolts with downscale hexagon head for wrench from steel 10H11N23T3MR-VD.
126 ОSТ 1 31118-80 Bolts with downscale hexagon head for wrench from steel 07H16N6-SH.
127 ОSТ 1 31119-80 Bolts with downscale hexagon head for wrench and short threaded part from steel 45.
128 ОSТ 1 31120-80 Bolts with downscale hexagon head for wrench and short threaded part from steel 30HGSА.
129 ОSТ 1 31121-80 Bolts with downscale hexagon head for wrench and short threaded part from aluminum alloy D1P.
130 ОSТ 1 31122-80 Bolts with downscale hexagon head for wrench and short-cut threaded part from steel 14H17N2.
131 ОSТ 1 31123-80 Bolts with downscale hexagon head for wrench and short-cut threaded part from steel 07H16N6-SH.
132 ОSТ 1 31124-80 Bolts with hexagon head and core diameter tolerance f9 from steel 30HGSA.
133 ОSТ 1 31125-80 Bolts with hexagon head and core diameter tolerance f9 and short threaded part from steel 30HGSA.
134 ОSТ 1 31126-80 Bolts with hexagon head and core diameter tolerance f9 and short threaded part from steel 14H17N2.
135 ОSТ 1 31127-80 Bolts with hexagon head and core diameter tolerance f9 and short threaded part from steel 13H11N2V2MF-SH.
136 ОSТ 1 31128-80 Bolts with hexagon head and core diameter tolerance f9 and short threaded part from steel 07H16N6-SH.
137 ОSТ 1 31129-80 Bolts with downscale hexagon head for wrench and core diameter tolerance f9 and short-cut threaded part from steel 30HGSА.
138 ОSТ 1 31130-80 Bolts with downscale hexagon head for wrench and core diameter tolerance f9 and short-cut threaded part from steel 14H17N2.
139 ОSТ 1 31131-80 Bolts with downscale hexagon head for wrench and core diameter tolerance f9 and short-cut threaded part from steel 07H16N6-SH.
140 ОSТ 1 31132-80 Bolts with downscale hexagon head for wrench and core diameter tolerance h8 and short threaded part from steel 30HGSА.
141 ОSТ 1 31133-80 Bolts with hexagon head and core diameter tolerance f7 for pin joint from steel 30HGSА.
142 ОSТ 1 31134-80 Bolts with hexagon head and core diameter tolerance f7 for pin joint from steel 14H17N2.
143 ОSТ 1 31135-80 Bolts with hexagon head and core diameter tolerance f7 for pin joint from steel 13H11N2V2MF-SH.
144 ОSТ 1 31136-80 Bolts with hexagon head and core diameter tolerance f7 for pin joint from steel 07H16N6-SH.
145 ОSТ 1 31137-80 Bolts with hexagon head and core diameter tolerance p6 from steel 30HGSА.
146 ОSТ 1 31138-80 Bolts with downscale hexagon head and core diameter tolerance p6 and short threaded part from steel 30HGSА.
147 ОSТ 1 31139-80 Bolts with cylinder head from steel 45.
148 ОSТ 1 31140-80 Bolts with cylinder head from steel 30HGSА.
149 ОSТ 1 31141-80 Bolts with cylinder head from steel 14H17N2.
150 ОSТ 1 31142-80 Bolts with cylinder head from latten LS59-1.
151 ОSТ 1 31143-80 Bolts with cylinder head from antimagnetic latten LS59-1.
152 ОSТ 1 31144-80 Bolts with cylinder head and locking hole in head from steel 45.
153 ОSТ 1 31145-80 Bolts with cylinder head and locking hole in head from steel 30HGSА.
154 ОSТ 1 31146-80 Bolts with cylinder head and locking hole in head from latten LS59-1.
155 ОSТ 1 31147-80 Bolts with cylinder head and locking hole in head from antimagnetic latten LS59-1.
156 ОSТ 1 31148-80 Bolts with round head from steel 45.
157 ОSТ 1 31149-80 Bolts with round head from steel 30HGSА.
158 ОSТ 1 31150-80 Bolts with round head from steel 14H17N2.
159 ОSТ 1 31151-80 Bolts with round head from steel 07H16N6-SH.
160 ОSТ 1 31152-80 Bolts with round head from aluminum alloy D1P.
161 ОSТ 1 31153-80 Bolts with round head from latten LS59-1.
162 ОSТ 1 31154-80 Bolts with round head from antimagnetic latten LS59-1.
163 ОSТ 1 31155-80 Bolts with pan head from steel 30HGSА.
164 ОSТ 1 31156-80 Bolts with pan head from steel 14H17N2.
165 ОSТ 1 31157-80 Bolts with pan head from steel 07H16N6-SH.
166 ОSТ 1 31158-80 Bolts with pan head and director cone from steel 30HGSА.
167 ОSТ 1 31159-80 Bolts with 90° angle countersunk head and slot recess from steel 45.
168 ОSТ 1 31160-80 Bolts with 90° angle countersunk head and slot recess from steel 30HGSA.
169 ОSТ 1 31161-80 Bolts with 90° angle countersunk head and slot recess from steel 14H17N2.
170 ОSТ 1 31162-80 Bolts with 90° angle countersunk head and slot recess from steel 07H16N6-SH.
171 ОSТ 1 31163-80 Bolts with 90° angle countersunk head and slot recess from aluminum alloy D1P.
172 ОSТ 1 31164-80 Bolts with 90° angle countersunk head and slot recess from latten LS59-1.
173 ОSТ 1 31165-80 Bolts with 90° angle countersunk head and slot recess from antimagnetic latten LS59-1.
174 ОSТ 1 31166-80 Bolts with 90° angle countersunk head and cross recess from steel 45.
175 ОSТ 1 31167-80 Bolts with 90° angle countersunk head and cross recess from steel 30HGSA.
176 ОSТ 1 31168-80 Bolts with 90° angle countersunk head and cross recess from steel 14H17N2.
177 ОSТ 1 31169-80 Bolts with 90° angle countersunk head and cross recess from steel 07H16N6-SH.
178 ОSТ 1 31170-80 Bolts with 90° angle countersunk head and cross recess from aluminum alloy D1P.
179 ОSТ 1 31171-80 Bolts with 90° angle countersunk head and cross recess from latten LS59-1.
180 ОSТ 1 31172-80 Bolts with 90° angle countersunk head and cross recess from antimagnetic latten LS59-1.
181 ОSТ 1 31173-80 Bolts with 90° angle countersunk head and slot recess, with short-cut threaded part from steel 14H17N2.
182 ОSТ 1 31174-80 Bolts with 90° angle countersunk head and slot recess, with short-cut threaded part from steel 07H16N6-SH.
183 ОSТ 1 31175-80 Bolts with 90° angle countersunk head and cross recess, with short-cut threaded part from steel 14H17N2.
184 ОSТ 1 31176-80 Bolts with 90° angle countersunk head and cross recess, with short-cut threaded part from steel 07H16N6-SH.
185 ОSТ 1 31177-80 Bolts with 90° angle countersunk head and slot recess, with director cone from steel 30HGSA.
186 ОSТ 1 31178-80 Bolts with 90° angle countersunk head and cross recess, with director cone from steel 30HGSA.
187 ОSТ 1 31179-80 Bolts with 90° angle countersunk head and slot recess, core diameter tolerance h8 and short threaded part from steel 30HGSA.
188 OST 1 31180-80 Bolts with 90° angle countersunk head and cross recess, core diameter tolerance h8 and short threaded part from steel 30HGSA.
189 OST 1 31181-80 Bolts with 90° angle countersunk head and slot recess, core diameter tolerance h8 and short-cut threaded part from steel 14H17N2.
190 OST 1 31182-80 Bolts with 90° angle countersunk head and slot recess, core diameter tolerance h8 and short-cut threaded part from steel 07H16N6-SH.
191 OST 1 31183-80 Bolts with 90° angle countersunk head and slot recess, core diameter tolerance f9 from steel 30HGSA.
192 OST 1 31184-80 Bolts with 90° angle countersunk head and cross recess, core diameter tolerance f9 from steel 30HGSA.
193 OST 1 31185-80 Bolts with 90° angle countersunk head and slot recess, core diameter tolerance f9 and short-cut threaded part from steel 30HGSA.
194 OST 1 31186-80 Bolts with 90° angle countersunk head and slot recess, core diameter tolerance f9 and short-cut threaded part from steel 14H17N2.
195 OST 1 31187-80 Bolts with 90° angle countersunk head and slot recess, core diameter tolerance f9 and short-cut threaded part from steel 07H16N6-SH.
196 OST 1 31188-80 Bolts with 90° angle countersunk head and cross recess, core diameter tolerance f9 and short-cut threaded part from steel 30HGSA.
197 OST 1 31189-80 Bolts with 90° angle countersunk head and slot recess, core diameter tolerance р6 from steel 30HGSA.
198 OST 1 31190-80 Bolts with 90° angle countersunk head and cross recess, core diameter tolerance р6 from steel 30HGSA.
199 OST 1 31191-80 Bolts with 90° angle countersunk head without recess, core diameter tolerance р6 from steel 30HGSA.
200 OST 1 31192-80 Bolts with 90° angle countersunk head and slot recess, core diameter tolerance р6 and short threaded part from steel 30HGSA.
201 OST 1 31193-80 Bolts with 90° angle countersunk head and cross recess, core diameter tolerance р6 and short threaded part from steel 30HGSA.
202 OST 1 31194-80 Bolts with 90° angle countersunk head without recess, core diameter tolerance р6 and short threaded part from steel 30HGSA.
203 OST 1 31195-80 Bolts with 120° angle half-countersunk head and cross recess, and long threaded part, from steel 30HGSA.
204 OST 1 31196-80 Bolts with 120° angle half-countersunk head and cross recess, and long threaded part, from steel 14H17N2.
205 OST 1 31197-80 Bolts with 120° angle half-countersunk head and cross recess, and long threaded part, from steel 07H16N6-SH.
206 OST 1 31198-80 Bolts with 120° angle half-countersunk head and cross recess, with short threaded part, from steel 30HGSA.
207 OST 1 31199-80 Bolts with 120° angle half-countersunk head and cross recess, with short threaded part, from steel 07H16N6-SH.
208 OST 1 31200-80 Bolts with 120° angle half-countersunk head and cross recess, with short-cut threaded part, from steel 30HGSA.
209 OST 1 31201-80 Bolts with 120° angle half-countersunk head and cross recess, with short-cut threaded part, from steel 07H16N6-SH.
210 OST 1 31202-80 Bolts with 120° angle half-countersunk head and cross recess and with director cone from steel 30HGSA.
211 OST 1 31203-80 Conical bolts from steel 30HGSA.
212 OST 1 31204-80 Tie bolts (assembly).
213 OST 1 31205-80 Shafts of tie bolts, from steel 45.
214 OST 1 31206-80 Bolts with internal hexagon in head from steel 30HGSA.
215 OST 1 31207-80 Bolts with internal hexagon in head, core diameter tolerance f9, from steel 30HGSA.
216 OST 1 31208-81 Bolts with cylindrical head and locking hole in head from steel 13H11N2V2MF-SH.
217 OST 1 31209-81 Bolts with 90° angle countersunk head and slot recess from steel 10H11N23T3MR-VD.
218 OST 1 31210-81 Bolts with 90° angle countersunk head and cross recess from steel 10H11N23T3MR-VD.
219 OST 1 31217-81 Bolts with hexagon head of improved operation life from steel 30HGSA.
220 OST 1 31218-82 Bolts with two-sided head, core diameter tolerance h12 and lengthened threaded part, from steel 10H11N23T3MR-VD.
221 OST 1 31219-82 Bolts with two-sided head, core diameter tolerance h12 and lengthened threaded part, from steel 13H11N2V2MF-SH.
222 OST 1 31220-82 Bolts with two-sided head, core diameter tolerance f7 from steel 13H11N2V2MF-SH.
223 OST 1 31221-83 Bolts with two-sided head, core diameter tolerance f7 from steel 10H11N23T3MR-VD.
224 OST 1 31224-83 Bolts with hexagon head, core diameter tolerance f9 and long threaded part from heat-resistant steel 10H11N23T3MR.
225 OST 1 31225-83 Bolts with hexagon head, core diameter tolerance f9 with short threaded part from heat-resistant steel 10H11N23T3MR- VD.
226 OST 1 31226-83 Bolts with 90° angle countersunk head and slot recess, core diameter tolerance f9 and long threaded part from heat-resistant steel 10H11N23T3MR-VD.
227 OST 1 31227-83 Bolts with 90° angle countersunk head and cross recess, core diameter tolerance f9 and long threaded part from heat-resistant steel 10H11N23T3MR-VD.
228 OST 1 31228-83 Bolts with 90° angle countersunk head and slot recess, core diameter tolerance f9 with short threaded part from heat-resistant steel 10H11N23T3MR-VD.
229 OST 1 31229-83 Bolts with 90° angle countersunk head and cross recess, core diameter tolerance f 9 with short threaded part from heat-resistant steel 10H11N23T3MR-VD.
230 OST 1 31230-83 Bolts with 120° angle half-countersunk head and cross recess, and long threaded part from heat-resistant steel 10H11N23T3MR-VD.
231 OST 1 31231-83 Bolts with 120° angle half-countersunk head and cross recess, with short threaded part from heat-resistant steel 10H11N23T3MR-VD.
232 OST 1 31234-85 Bolts with pan head and short threaded part для соединений с натягом от 0,7 до 1,2% from steel 30HGSA.
233 OST 1 31240-86 Bolts with weight-reduced hexagon head from steel 45.
234 OST 1 31241-86 Bolts with weight-reduced hexagon head from steel 16HSN.
235 OST 1 31242-86 Bolts with hexagon head from aluminum alloy V95P.
236 OST 1 31243-86 Bolts with 90° angle countersunk head and cross recess from aluminum alloy V95P.
237 OST 1 31244-88 Bolts with 120° angle countersunk head, with core diameter tolerance f9 from titanium alloy VT16 for composite materials. 
238 OST 1 31245-86 Bolts with hexagon head from stainless steel 03H11N10M2T-IL.
239 OST 1 31246-89 Bolts with hexagon head core diameter tolerance f9 and short threaded part from stainless steel 03H11N10M2T-IL.
240 OST 1 31247-90 Bolts with hexagon head from heat-resistant alloy HN73MBTU-VD (with thread Mya).
241 OST 1 31249-91 Bolts with 12-slotted head.