Home / UNC Bolts, Nuts and Washers / UNC Socket Head Button Screws ASME B18. 3-2003 4-40 inch in A2 Stainless Steel

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UNC Socket Head Button Screws ASME B18. 3-2003 4-40 inch in A2 Stainless Steel

A popular and attractive socket head screw, typically used where aesthetics are important, or where a lower profile domed finish is required. The hex drive is generally smaller than other hex driven ranges and thus the ultimate tightening torque is reduced. Manufactured to ASME/ANSI B18.3, and always fully threaded.

technical drawing of UNC Socket Head Button Screws ASME B18. 3-2003

Technical Summary

nominal diameter

4-40

head diameter

0.213

head height

0.052

recess depth

0.035

drive size

1/16

Standard

ASME B18.3-2003,ASTM F879-02a(CW)

Material

A2 Stainless Steel

all dimensions in millimetres (mm)

datasheet

Description	Sale Qtys	Qty	Price	Breakdown	Despatch Estimate
Socket Head Button (Dome) Screw UNC 4-40 x 1/8 inch in A2 Stainless (WF17138)			£0.00
Socket Head Button (Dome) Screw UNC 4-40 x 3/16 inch in A2 Stainless (WF17139)			£0.00
Socket Head Button (Dome) Screw UNC 4-40 x 1/4 inch in A2 Stainless (WF17140)			£0.00
Socket Head Button (Dome) Screw UNC 4-40 x 5/16 inch in A2 Stainless (WF17141)			£0.00
Socket Head Button (Dome) Screw UNC 4-40 x 3/8 inch in A2 Stainless (WF17142)			£0.00
Socket Head Button (Dome) Screw UNC 4-40 x 1/2 inch in A2 Stainless (WF17144)			£0.00
Socket Head Button (Dome) Screw UNC 4-40 x 5/8 inch in A2 Stainless (WF17145)			£0.00
Socket Head Button (Dome) Screw UNC 4-40 x 3/4 inch in A2 Stainless (WF17146)			£0.00
Socket Head Button (Dome) Screw UNC 4-40 x 1 inch in A2 Stainless (WF17147)			£0.00
Socket Head Button (Dome) Screw UNC 4-40 x 1-1/4 inch in A2 Stainless (WF17148)			£0.00
Socket Head Button (Dome) Screw UNC 4-40 x 1-1/2 inch in A2 Stainless (WF17149)			£0.00

Socket Head Button (Dome) Screw UNC 4-40 x 1/8 inch in A2 Stainless
(WF17138)

Socket Head Button (Dome) Screw UNC 4-40 x 3/16 inch in A2 Stainless
(WF17139)

Socket Head Button (Dome) Screw UNC 4-40 x 1/4 inch in A2 Stainless
(WF17140)

Socket Head Button (Dome) Screw UNC 4-40 x 5/16 inch in A2 Stainless
(WF17141)

Socket Head Button (Dome) Screw UNC 4-40 x 3/8 inch in A2 Stainless
(WF17142)

Socket Head Button (Dome) Screw UNC 4-40 x 1/2 inch in A2 Stainless
(WF17144)

Socket Head Button (Dome) Screw UNC 4-40 x 5/8 inch in A2 Stainless
(WF17145)

Socket Head Button (Dome) Screw UNC 4-40 x 3/4 inch in A2 Stainless
(WF17146)

Socket Head Button (Dome) Screw UNC 4-40 x 1 inch in A2 Stainless
(WF17147)

Socket Head Button (Dome) Screw UNC 4-40 x 1-1/4 inch in A2 Stainless
(WF17148)

Socket Head Button (Dome) Screw UNC 4-40 x 1-1/2 inch in A2 Stainless
(WF17149)

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