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4-40 inch UNC Hex Head Setscrews ASME B18.2.1 in A2 Stainless Steel

Commonly referred to as a setscrew and longer versions are referred to in the United States as a tap bolt. A standard spanner or ratchet is typically used to fit this product. Used for decades on all types of assembly throughout the world. The hex drive allows a higher torque to be applied. Produced to ASME B18.2.1.
Image of UNC Hex Head Setscrews ASME B18.2.1 in A2 image
technical drawing of UNC Hex Head Setscrews ASME B18.2.1
Technical Summary
d nominal diameter 4-40
tpi threads per inch 40
k head height 0.060
s drive size 0.188
Standard ASME B18.2.1 / ASTM F593-(CW)
Material A2 Stainless Steel
all dimensions in inches
datasheet
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technical drawing of UNC Hex Head Setscrews ASME B18.2.1
Technical Summary
d nominal diameter 4-40
tpi threads per inch 40
k head height 0.060
s drive size 0.188
Standard ASME B18.2.1 / ASTM F593-(CW)
Material A2 Stainless Steel
all dimensions in inches
datasheet