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Miscellaneous Screws
miscellaneous-screws
All head hex cap screws manufactured by Robbins Mfg. Co. All hex head are made of 304 stainless steel. Heads are marked with MS radial lines, Robbins "R" trademark, and "304" as the material. Chemicals and physicals with paper work showing full conformance to MS specifications are available for all items.
Hex head cap screws
Hex heads are manufactured by Robbins Mfg. Co. and nuts by Robbins Mfg. Co., Texas Bolt Co., and SPS-Non-ferrous. All hex heads are made of 304 stainless steel. Heads are marked with Robbins "R" trademark and "B8". Finished and heavy nuts are made to ASTM A194 specifications and stamped with manufacturer's trademark and "8" or "8M". Some finished nuts are also stamped "304" or "316".
Chemicals and physicals available showing compliance to ASTM specifications.
All machine screws made by Pilgrim Screw Co. Chemicals and physicals with paperwork showing full conformance to MS, NAS, and AN specifications are available on all items.
Machine screws meet MS-NAS-AN specifications as required
All machine screws made by Pilgrim Screw Co. Chemicals and physicals with paperwork showing full conformance to MS, NAS, and AN specifications are available on all items.
Machine screws meet MS-NAS-AN specifications as required;
All socket cap screws manufactured by Ideal Fasteners. Chemicals and physicals with paperwork showing full conformance to MS specifications are available on all items.
Socket Cap Screws:
Point Styles A, Z available. 1177_sheet-metal-screw.JPG
316 Phillips Machine Screws
(77) Stamped for identification with a dot (•) or "316". 1178_phillips-machine-screw.JPG
18-8 Slotted/Phillips (Combo) Pan Head Machine Screws
(19) 1203_slotted--phillips-pan-sheet-metal-screw.jpg
18-8 (Square Drive) Deck Screws Bugle Head; Type 17 Cutting Pt.
(11) 1207_square-drive_deckscrew.jpg
T410 Hardened with Bright Square Drive Self-Drilling Screws
(45) 1214_Stainless-Hex-Self-Drilling-Screws-with-Neoprene-Washer.JPG Silicon Bronze Frearson Flat Head Wood Screws
(22) Full Body, Cut Thread 1217_flat-head-wood-screw.JPG
T304 Hex Head Cap Screws
(137) Made in U.S.A.All head hex cap screws manufactured by Robbins Mfg. Co. All hex head are made of 304 stainless steel. Heads are marked with MS radial lines, Robbins "R" trademark, and "304" as the material. Chemicals and physicals with paper work showing full conformance to MS specifications are available for all items.
Hex head cap screws
- Material to procurement spec FF-S-85; Fed Std 66; QQ-S-763.
- Mechanical properties (tensile, yield, elongation, reduction of area, and hardness) meet all requirements of MS specs and FF-S-85.
- Dimensions in accordance with MS drawings and ANSI B18.2.1; thread dimensions per Fed Std H28.
- Passivated in accordance with QQ-P-35 with magnetic permeability of 2.0 or less tested per ASTM A 342.
- Heat markings, including manufacture's logo, in accordance with FF-S-85, Mil-HDBK 131, and MS specs.
- Produced under strict guidelines of quality assurance program to requirements of ISO 9002.
Grade B8 304 Heavy Hex Head Cap Screws
(46) Made in U.S.AHex heads are manufactured by Robbins Mfg. Co. and nuts by Robbins Mfg. Co., Texas Bolt Co., and SPS-Non-ferrous. All hex heads are made of 304 stainless steel. Heads are marked with Robbins "R" trademark and "B8". Finished and heavy nuts are made to ASTM A194 specifications and stamped with manufacturer's trademark and "8" or "8M". Some finished nuts are also stamped "304" or "316".
Chemicals and physicals available showing compliance to ASTM specifications.
- Material to ASTM A193 grade B8 specification and to ASTM A194 grade 8/8M specification.
- Dimensions on ANSI/ASME B18.2.2, threads to ANSI/ASME B1.1.
- Manufacturing process, mechanical properties, hardness, and marking to ASTM A193 and ASTM A194.
- Testing to ASTM A370 specification.
Coarse Thread Machine Screws
(396) Made in U.S.A.All machine screws made by Pilgrim Screw Co. Chemicals and physicals with paperwork showing full conformance to MS, NAS, and AN specifications are available on all items.
Machine screws meet MS-NAS-AN specifications as required
- Material to procurement spec FF-S-92; Fed St 66; QG-S-763; ASTM A493.
- Cleaned, descaled, passivated to QQ-P-35; ASTM A380.
- Dimensions, tensile, hardness, threads, recess, head marking to MS-NAS-AN specs; procurement spec FF-S-92; Fed Std H28/2; Fed Std H28/20 system 22, 23.
- Magnetic permeability to procurement spec FF-S-92; ASTM 1444.
- Quality assurance to procurement spec FF-S-92 (Mil Std 1312). Inspection system requirement per Mil-l-45208.
Fine Thread Machine Screws
(160) Made in U.S.A.All machine screws made by Pilgrim Screw Co. Chemicals and physicals with paperwork showing full conformance to MS, NAS, and AN specifications are available on all items.
Machine screws meet MS-NAS-AN specifications as required;
- Material to procurement spec FF-S-92; Fed St 66; QG-S-763; ASTM A493.
- Cleaned, descaled, passivated to QQ-P-35; ASTM A380.
- Dimensions, tensile, hardness, threads, recess, head marking to MS-NAS-AN specs; procurement spec FF-S-92; Fed Std H28/2; Fed Std H28/20 system 22, 23.
- Magnetic permeability to procurement spec FF-S-92; ASTM 1444.
- Quality assurance to procurement spec FF-S-92 (Mil Std 1312). Inspection system requirement per Mil-l-45208.
Socket Cap Screws
(98) Made in U.S.A.All socket cap screws manufactured by Ideal Fasteners. Chemicals and physicals with paperwork showing full conformance to MS specifications are available on all items.
Socket Cap Screws:
- Material to procurement spec FF-S-86.
- Cleaned, descaled, passivated to QQ-P-35.
- Dimensions, tensile, threads, recess, head marking to MS specs; procurement spec FF-S-86; Fed Std H28/2; Fed Std H28/20 system 21.
- Magnetic permeability to MS specs in accordance with ASTM A 342.
- Quality assurance including salt spray test, per QQ-P-35 in accordance with ASTM B117.
F593 304 & 316 Hex Head Cap Screws
(281) Fully traceable, complete lot control. Chemical and physical reports available upon request at no charge. 1232_hex-cap-screw.JPG
Slotted Sheet Metal Screws
(35) Flat, Round, Pan, Oval, (Other head style available).Point Styles A, Z available. 1177_sheet-metal-screw.JPG
18-8 Slotted/Phillips (Combo) Pan Head Sheet Metal Screws T-A
(45) 1202_slotted-phillips-pan-screw.JPG 