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Accurate Screw Machine

NAS1581F4R5 Bolts

Estimated Lead Time
Backordered parts: 26 weeks

0.7188 Inch Steel Countersunk Flat bolts manufactured with 1/4-28 UNJF 3A threads.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Accurate Screw
Display Name NAS1581F4R5
Drive Type Torque set
Finish Cadmium
Head Diameter 0.3504 in
Head Type Countersunk Flat
Length
(Overall) 		23/32 in
Length
(Shank/Grip) 		5/16 in
Length
(Thread) 		13/32 in
Material Steel
SKU NAS1581F4R5
Tensile Strength 160000 psi
Thread Size 1/4-28 UNJF 3A
Specs (in metric)
Label Value
Brand Accurate Screw
Display Name NAS1581F4R5
Drive Type Torque set
Finish Cadmium
Head Diameter 8.9 mm
Head Type Countersunk Flat
Length
(Overall) 		18.26 mm
Length
(Shank/Grip) 		7.94 mm
Length
(Thread) 		10.32 mm
Material Steel
SKU NAS1581F4R5
Tensile Strength 1103200 kPa
Thread Size 1/4-28 UNJF 3A

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