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Shoulder Thumb Screws (ANSI ASME B18. 6.8)

Shoulder Thumb Screws can either have a round knurled head or a spade head and are designed to be tightened by hand. These screws have a shoulder at the top of the thread under the head and are also referred to as Type A Thumb Screws.

45 results, (click on any line for more information)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
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GLFOHThumb Screw (Shoulder)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3/41/4-20x3/4 thumb screw w/shoulder 18-8 s/s b18.6.8 () () ()390
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AbabaCAThumb Screw (Shoulder)SteelZinc/Clear#10-24 x 110-24 x 1 shoulder thumb screw stl znc b18.6.81000
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AbabaCAThumb Screw (Shoulder)SteelZinc/Clear#10-24 x 110-24 x 1/2 shoulder thumb screw stl znc b18.6.8246
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AbabaCAThumb Screw (Shoulder)SteelZinc/Clear1/4-20 x 3/41/4-20 x 3/4 shoulder thumb screw stl znc b18.6.8500
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AbabaCAThumb Screw (Shoulder)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 1/21/4-20 x 1 1/2 shoulder thumb screw s/s b18.6.815
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AbabaCAThumb Screw (Shoulder)SteelZinc/Clear1/4-20 x 1 1/21/4-20 x 1 1/2 thmb screw with shoulder stl znc b18.6.8300
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EximS'poreThumb Screw (Shoulder)SteelZinc/Clear##6-32 x 0.410screw thumb slot torx t-15steel clear zn#6-32 x 0.410 in b18.6.82686
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EximS'poreThumb Screw (Shoulder)SteelZinc/Clearscrew thumb knurled hd struck slottedsteel clear zn with shoulder# 6-32 x 0.430 in tapered ca point b18.6.86723
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EximS'poreThumb Screw (Shoulder)300 Stainless (A1,A2, 18-8,304,310 etc.)Passivatedt15screw shoulder t-15 w. nylon patchs/s passivated shoulder w.straight knurl#6-32 x 0.156 x 0.438 in w. spring b18.6.8475
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EximS'poreThumb Screw (Shoulder)Nylon (Polyamide)Plain1/4-20 x 3/4screw thumb knurled flatnylon natural w. shoulder# 1/4-20 x 3/4 in (092520075t) b18.6.8114
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EximS'poreThumb Screw (Shoulder)Nylon (Polyamide)Plainscrew thumb knurled flat nylon naturalw. shoulder (scrap)#1/4-20 x 3/4 in (092520075t) b18.6.8795
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EximS'poreThumb Screw (Shoulder)300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#15screw thumb slot #15 six lobes/s passivated w.green plastic cap#6-32 x 1.072 in (total lg) b18.6.819986
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JET FITTINGCAThumb Screw (Shoulder)300 Stainless (A1,A2, 18-8,304,310 etc.)Plainscr thumb ty-s 1/4-20x1/2 ss lok rohs compliant ifi 156 JET 416C08TSS SSQ b18.6.829
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QFCTXThumb Screw (Shoulder)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1/21/4-20x1/2 thumb screw no/shoulder 18-8 b18.6.850
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B & K FASTPAThumb Screw (Shoulder)AluminumPlain#8-32 x 3/48/32 x 3/4 thumb screws type s alum (shoulder) b18.6.81335
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B & K FASTPAThumb Screw (Shoulder)BrassPlain1/4-20 x 11/4-20 x 1 brass thumb screws-shoulder b18.6.8178
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B & K FASTPAThumb Screw (Shoulder)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 110/32 x 1 stainless shouldered thumb screws b18.6.854
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B & K FASTPAThumb Screw (Shoulder)SteelZinc/Clear#6-32 x 3/46/32 x 3/4 shoulder thumb screw zinc b18.6.875
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B & K FASTPAThumb Screw (Shoulder)SteelPlain#10-24 x 110/24 x 1/2 shouldered thumb screw b18.6.83000
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B & K FASTPAThumb Screw (Shoulder)SteelPlain3/8-16 x 13/8-16 x 1 1/2 shoulder thumb screw type s b18.6.82
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B & K FASTPAThumb Screw (Shoulder)SteelZinc/Clear3/8-163/8-16 x 2 shoulder thumb screw type s zinc b18.6.82
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OSSCORIThumb Screw (Shoulder)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24 x 110-24x1 thumb screw-shoulder 18-8 304 b18.6.814
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OSSCORIThumb Screw (Shoulder)SteelPlain#10-32 x 1/210-32x1/2 thumb screw-shoulder b18.6.8300
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OSSCORIThumb Screw (Shoulder)SteelPlain1/4-20 x 3/41/4-20x3/4 thumb screw-shoulder b18.6.8125
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OSSCORIThumb Screw (Shoulder)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3/41/4-20x3/4 thumb screw-shoulder 18-8 304 b18.6.850
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OSSCORIThumb Screw (Shoulder)SteelPlain#8-32 x 1 1/48-32x1 1/4 thumb screw-shoulder b18.6.861
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OSSCORIThumb Screw (Shoulder)SteelZinc/Clear#8-32 x 1/28-32x1/2 thumb screw-shoulder plated b18.6.82,200
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OSSCORIThumb Screw (Shoulder)SteelPlain#8-32 x 3/48-32x3/4 thumb screw-shoulder b18.6.8341
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Bostwick INThumb Screw (Shoulder)SteelZinc/Clear5/16-18 x 15/16-18 x 1/2 thumb screw w/shoulder zinc b18.6.867
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Bostwick INThumb Screw (Shoulder)SteelZinc/Clear#6-32 x 3/46-32 x 3/4 thumb screw w/shoulder zinc b18.6.864
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Bostwick INThumb Screw (Shoulder)SteelZinc/Clear#10-32 x 110-32 x 1/2 thumb screw w/shoulder zinc b18.6.851
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Bostwick INThumb Screw (Shoulder)SteelZinc/Clear5/16-18 x 3/45/16-18 x 3/4 thumb screw w/shoulder zinc b18.6.827
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Bostwick INThumb Screw (Shoulder)SteelZinc/Clear#10-24 x 110-24 x 1/2 thumb screw w/shoulder zinc b18.6.8117
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Bostwick INThumb Screw (Shoulder)SteelZinc/Clear#10-32 x 3/410-32 x 3/4 thumb screw w/shoulder zinc b18.6.830
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JET FITTINGCAThumb Screw (Shoulder)SteelZinc/Clear1/4-20 x 3/41/4-20x3/4 thumb screw w/ shoulder type-s steel zinc b18.6.8600
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JET FITTINGCAThumb Screw (Shoulder)400 Stainless (405, 410,416,420,430 etc.)Zinc/Clearscr thumb ty-s 1/420x1/2 ss lok rohs compliant ifi 156 b18.6.8135
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THRDFASTFLThumb Screw (Shoulder)SteelZinc/Clear#10-32 x 2thumb -shoulder b18.6.877
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THRDFASTOKThumb Screw (Shoulder)SteelZinc/Clear1/4-20 x 3/4thumb -shoulder b18.6.8100
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THRDFASTOKThumb Screw (Shoulder)SteelZinc/Clear1/4-20 x 1/2thumb -shoulder b18.6.8600
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WSBKYThumb Screw (Shoulder)SteelZinc/Clear1/4-20 x 3screw thumb a shoulder st (zn) 1/4-20x3 b18.6.81,478
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WSBKYThumb Screw (Shoulder)SteelZinc/Clear1/4-20 x 3screw thumb a shoulder st (zn) 1/4-20x3 b18.6.8563
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WSBKYThumb Screw (Shoulder)SteelZinc/Clear1/4-20 x 3/8screw thumb a shoulder st (zt) 1/4-20x3/8 b18.6.81,600
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FACCAOntThumb Screw (Shoulder)SteelZinc/Clear#8-32 x 3/4wing thumb screw with shoulder #8-32 unc x 3/4 low carb steel cold forged zinc chromate b18.6.83,400
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FACCAOntThumb Screw (Shoulder)SteelZinc/Clear#10-24 x 3/4thumb screw spade head w/shoulder #10-24 unc x 3/4 long low carbon steel zinc plated b18.6.8150,100
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FACCAOntThumb Screw (Shoulder)SteelZinc/Clear#10-24 x 3/4thumb screw spade head w/shoulder #10-24 unc x 3/4 long low carbon steel zinc plated b18.6.8150100
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