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1/2 inch length Shoulder Bolts (ASME B18. 3)

Shoulder Screws, also called Shoulder Bolts or Stripper Bolts, are fasteners with three distinct sections: the head, the unthreaded shank, and the threaded section which is smaller in diameter than the shoulder. The change in diameter between the threaded section and the shank provides the shoulder, against which the shoulder bolt can be tightened. These can have different types of head, but frequently have socket heads.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
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AbabaCAShoulder Bolt (Stripper Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/16 x 1/2 (#8-32)3/16 x 1/2 soc shoulder bolt 8-32 thread s/s b18.390
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AbabaCAShoulder Bolt (Stripper Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4 x 1/2 (#10-24)1/4 x 1/2 soc shoulder bolt 10-32 thread s/s b18.330
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AbabaCAShoulder Bolt (Stripper Bolt)SteelPlain1/4 x 1/2 (#10-24)1/4 x 1/2 soc shoulder bolt alloy b18.3404
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AbabaCAShoulder Bolt (Stripper Bolt)SteelPlain5/16 x 1/2 (1/4-20)5/16 x 1/2 soc shoulder bolt alloy b18.3220
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AbabaCAShoulder Bolt (Stripper Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8 x 1/2 (5/16-18)3/8 x 1/2 soc shoulder bolt s/s b18.330
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AbabaCAShoulder Bolt (Stripper Bolt)SteelPlain3/8 x 1/2 (5/16-18)3/8 x 1/2 soc shoulder bolt alloy b18.3506
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AbabaCAShoulder Bolt (Stripper Bolt)SteelPlain1/2 x 1/2 (3/8-16)1/2 x 1/2 soc shoulder bolt alloy b18.325
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AbabaCAShoulder Bolt (Stripper Bolt)SteelPlain5/8 x 1/2 (1/2-13)5/8 x 1/2 soc shoulder bolt alloy b18.35
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AbabaCAShoulder Bolt (Stripper Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4 x 1/2 (#10-24)1/4 x 1/2 slotted-shoulder blt 10-32 thrd s/s b18.3100
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AbabaCAShoulder Bolt (Stripper Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4 x 1/2 (#10-24)1/4 x 1/2 soc shoulder blt 10-24 thread s/s b18.344
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AbabaCAShoulder Bolt (Stripper Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 1/2 (1/4-20)5/16 x 1/2 soc shoulder blt s/s b18.320
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GLFOHShoulder Bolt (Stripper Bolt)SteelPlain1/2 x 1/2 (3/8-16)1/2x3/8-16x1/2 soc shoulder screw stl pln b18.3 () () ()116
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GLFOHShoulder Bolt (Stripper Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8 x 1/2 (5/16-18)3/8x5/16-18x1/2 soc shoulder screw 18-8 s/s b18.3 () () ()3
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GLFOHShoulder Bolt (Stripper Bolt)SteelPlain3/8 x 1/2 (3/8-16)1/2x3/8-16x3/8 soc shoulder screw stl pln b18.3 () () ()226
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BHAMALShoulder Bolt (Stripper Bolt)SteelPlain3/8 x 1/2 (5/16-18)1/2x3/8 shoul.bolt b18.3400
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Irwin IndOntShoulder Bolt (Stripper Bolt)SteelZinc/Black1/4 x 1/2 (#10-24)1/4 x 1/2 shoulder bolt steel .0002 min zinc trivalent black b18.3356
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AbabaCAShoulder Bolt (Stripper Bolt)SteelPlain5/16 x 1/2 (1/4-20)5/16 x 1/2 soc shoulder bolt alloy b18.325
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AbabaCAShoulder Bolt (Stripper Bolt)SteelPlain3/8 x 1/2 (5/16-18)3/8 x 1/2 soc shoulder bolt alloy b18.325
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AbabaCAShoulder Bolt (Stripper Bolt)SteelPlain1/2 x 1/2 (3/8-16)1/2 x 1/2 soc shoulder bolt alloy b18.320
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EximS'poreShoulder Bolt (Stripper Bolt)SteelPlain1/4 x 1/2 (#10-24)screw shoulder socket head hexsteel microfinish on shoulder#10-24 x 1/4 x 1/2 in b18.31
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EximS'poreShoulder Bolt (Stripper Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated1/4 x 1/2 (#10-24)screw shoulder socket head hexs/s passivated [head with knurling]#10-24 x 1/4 x 1/2 in b18.31388
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SIIINShoulder Bolt (Stripper Bolt)SteelPlain5/16 x 1/2 (1/4-20)5/16 x 1/2 x 1/4-20 shoulder bolt) b18.321
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SIIINShoulder Bolt (Stripper Bolt)SteelPlain1/2 x 1/2 (3/8-16)1/2 shoulder x 1/2 x 3/8-16 thread alloy steel shoulder screw) b18.334
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SIIINShoulder Bolt (Stripper Bolt)SteelPlain7/8 x 1/2 (3/8-16)1/2-3/8-16 x 7/8 non-standard socket shoulder screws alloy thermal black oxide b18.321
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IPCVAShoulder Bolt (Stripper Bolt)SteelPlain1/2x3/4 soc shoulder bolt documention required that parts meet the asme b18.3 14 ifi 8th edition standard (page 358-359)84
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JET FITTINGCAShoulder Bolt (Stripper Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/8 x 1/2 (#4-40)1/8x1/2 hex socket shoulder bolt stainless steel 18-8 plain 6907-ss-20 b18.31035
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JET FITTINGCAShoulder Bolt (Stripper Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2 x (3/8-16)5/16-1/4-20x1/2 sock shoulder screw a2 (18 710024 b18.322
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B & K FASTPAShoulder Bolt (Stripper Bolt)SteelPlain5/16 x 1/2 (1/4-20)5/16 x 1/2 alloy shoulder bolts b18.3311
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General FMIShoulder Bolt (Stripper Bolt)SteelPlain1/2 x 1/2 (3/8-16)1/2x.5 soc shoulder scr b18.31,513
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General FMIShoulder Bolt (Stripper Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 1/2 (1/4-20)5/16x.5 shoulder scr nyl patch ss b18.31,075
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General FMIShoulder Bolt (Stripper Bolt)SteelPlain1/4 x 1/2 (#10-24)1/4x.500 soc shoulder scr gm6047m b18.36500
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QFCTXShoulder Bolt (Stripper Bolt)SteelPlain1/4 x 1/2 (#10-24)1/4x1/2 skt shoulder bolt b18.34
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QFCTXShoulder Bolt (Stripper Bolt)SteelNickel5/16 x 1/2 (1/4-20)1/4-20 x 1/2 shoulder bolt steel nickel b18.37500
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Bostwick INShoulder Bolt (Stripper Bolt)316, 317, A4 StainlessPlain1/4 x 1/2 (#10-24)1/4 x 1/2 stripper bolt 316 stainless b18.35
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JET FITTINGCAShoulder Bolt (Stripper Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated1/8 x 1/2 (#4-40)1/8x1/2 hex socket shoulder bolt stainless steel 18-8 passivated mfg raf b18.31000
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JET FITTINGCAShoulder Bolt (Stripper Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/8 x 1/2 (#4-40)1/8x1/2 hex socket shoulder bolt stainless steel 18-8 b18.31612
    Contact_Supplier
JET FITTINGCAShoulder Bolt (Stripper Bolt)SteelPlain3/8 x 1/2 (5/16-18)bolt shoulder 1/2x3/8 alloy steel socket b18.3250
    Contact_Supplier
JET FITTINGCAShoulder Bolt (Stripper Bolt)SteelPlain1/2 x 1/2 (3/8-16)1/2x1/2 (3/8-16) hex socket shoulder bolt alloy steel thermal black oxide b18.3259
    Contact_Supplier
JET FITTINGCAShoulder Bolt (Stripper Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2 x 1/2 (3/8-16)bolt shoulder 1/2x1/2 stainless steel socket b18.3115
    Contact_Supplier
JET FITTINGCAShoulder Bolt (Stripper Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4 x 1/2 (#10-24)bolt shoulder 1/4x1/2 stainless steel sl b18.316
    Contact_Supplier
JET FITTINGCAShoulder Bolt (Stripper Bolt)SteelPlain5/16 x 1/2 (1/4-20)bolt shoulder socket hex 5/16x1/2 (1/4-20) alloy steel b18.325
    Contact_Supplier
JET FITTINGCAShoulder Bolt (Stripper Bolt)SteelPlain5/16 x 1/2 (1/4-20)5/16x1/2 (1/4-20) hex socket shoulder bolt alloy steel thermal black oxide b18.3225
    Contact_Supplier
JET FITTINGCAShoulder Bolt (Stripper Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4 x 1/2 (#10-24)bolt shoulder 1/4x1/2 (10-24) stainless steel socket b18.350
    Contact_Supplier
THRDFASTFLShoulder Bolt (Stripper Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2 x 1/2 (3/8-16)18-8 ss socket sh/b b18.325
    Contact_Supplier
THRDFASTFLShoulder Bolt (Stripper Bolt)SteelPlain5/16 x 1/2 (1/4-20)socket sh/b b18.35
    Contact_Supplier
THRDFASTFLShoulder Bolt (Stripper Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 1/2 (1/4-20)18-8 ss socket sh/b b18.33
    Contact_Supplier
THRDFASTFLShoulder Bolt (Stripper Bolt)SteelPlain3/8 x 1/2 (5/16-18)socket sh/b b18.37
    Contact_Supplier
THRDFASTTNShoulder Bolt (Stripper Bolt)SteelPlain1/2 x 1/2 (3/8-16)socket sh/b b18.331
    Contact_Supplier
THRDFASTTNShoulder Bolt (Stripper Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/16 x 1/2 (#8-32)18-8 ss socket sh/b b18.36
    Contact_Supplier
KBSTNShoulder Bolt (Stripper Bolt)SteelPlain1/4 x 1/2 (#10-24)1/4 x 1/2 soc hd shoulder bolt b18.3175
    Contact_Supplier
THRDFASTMSShoulder Bolt (Stripper Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16 x 1/2 (1/4-20)18-8 ss socket sh/b b18.312
    Contact_Supplier
THRDFASTFLShoulder Bolt (Stripper Bolt)SteelPlain5/16 x 1/2 (1/4-20)socket sh/b b18.35
    Contact_Supplier
THRDFASTMSShoulder Bolt (Stripper Bolt)SteelPlain1/2 x 1/2 (3/8-16)socket sh/b b18.33
    Contact_Supplier
WSBKYShoulder Bolt (Stripper Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2 x 1/2 (3/8-16)screw hex soc shoulder (18-8) 1/2x1/2 b18.3231
    Contact_Supplier
WSBKYShoulder Bolt (Stripper Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2 x 1/2 (3/8-16)screw hex soc shoulder (18-8) 1/2x1/2 b18.3200
    Contact_Supplier
All SizeTXShoulder Bolt (Stripper Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4 x 1/2 (5/8-11)3/4 x 1/2 socket shoulder bolt s/s b18.32
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All SizeTXShoulder Bolt (Stripper Bolt)SteelPlain3/4 x 1/2 (5/8-11)3/4 x 1/2 socket shoulder bolt b18.36
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All SizeTXShoulder Bolt (Stripper Bolt)SteelPlain1/2 x 1/2 (3/8-16)1/2 x 1/2 socket shoulder bolt b18.34
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