This browser is no longer supported. Upgrade to Microsoft Edge or switch to a supported browser, like Chrome, Safari, or Firefox, to explore the MW Components website.

We're sorry for the inconvenience.

Estimated Lead Time
Backordered parts: 26 weeks

3.413 Inch Steel External Wrenching bolts manufactured with 1/2-20 UNJF 3A threads.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Accurate Screw
Display Name MS21250-08042
Drive Type Hex Socket
Finish Cadmium + Chromate
Head Diameter 0.818 in
Head Height 0.504 in
Head Type External Wrenching
Length
(Overall)
3.413 in
Length
(Shank/Grip)
2 3/4 in
Length
(Thread)
0.768 in
Material Steel
Max Head Diameter 0.828 in
SKU MS21250-08042
Tensile Strength 180000 psi
Thread Size 1/2-20 UNJF 3A
Specs (in metric)
Label Value
Brand Accurate Screw
Display Name MS21250-08042
Drive Type Hex Socket
Finish Cadmium + Chromate
Head Diameter 20.78 mm
Head Height 12.8 mm
Head Type External Wrenching
Length
(Overall)
86.69 mm
Length
(Shank/Grip)
69.85 mm
Length
(Thread)
19.51 mm
Material Steel
Max Head Diameter 21.03 mm
SKU MS21250-08042
Tensile Strength 1241100 kPa
Thread Size 1/2-20 UNJF 3A