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Estimated Lead Time
Backordered parts: 26 weeks

1.55 Inch Steel Dished Hex bolts manufactured with 1/4-28 UNJF 3A threads.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Accurate Screw
Display Name NAS6604-18
Finish Cadmium + Chromate
Head Height 0.125 in
Head Type Dished Hex
Length
(Overall)
1.55 in
Length
(Shank/Grip)
1 1/8 in
Length
(Thread)
0.4 in - 0.45 in
Material Steel
Max Head Height 0.14 in
SKU NAS6604-18
Tensile Strength 160000 psi
Thread Size 1/4-28 UNJF 3A
Specs (in metric)
Label Value
Brand Accurate Screw
Display Name NAS6604-18
Finish Cadmium + Chromate
Head Height 3.18 mm
Head Type Dished Hex
Length
(Overall)
39.37 mm
Length
(Shank/Grip)
28.58 mm
Length
(Thread)
10.16 mm - 11.43 mm
Material Steel
Max Head Height 3.56 mm
SKU NAS6604-18
Tensile Strength 1103200 kPa
Thread Size 1/4-28 UNJF 3A