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Accurate Screw Machine

AN4-31A Bolts

3.1563 Inch Steel Hex bolts manufactured with 1/4-28 UNF 3A threads.

Unit System
Specs (in standard)
Label Value
Brand Accurate Screw
Display Name AN4-31A
Drive Type None
Finish Cadmium + Chromate
Head Height 0.14 in
Head Type Hex
Length
(Overall) 		3 5/32 in
Length
(Shank/Grip) 		2 11/16 in
Length
(Thread) 		0.468 in
Material Steel
Max Head Height 0.172 in
SKU AN4-31A
Tensile Strength 125000 psi
Thread Size 1/4-28 UNF 3A
Specs (in metric)
Label Value
Brand Accurate Screw
Display Name AN4-31A
Drive Type None
Finish Cadmium + Chromate
Head Height 3.56 mm
Head Type Hex
Length
(Overall) 		80.17 mm
Length
(Shank/Grip) 		68.26 mm
Length
(Thread) 		11.89 mm
Material Steel
Max Head Height 4.37 mm
SKU AN4-31A
Tensile Strength 861875 kPa
Thread Size 1/4-28 UNF 3A

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