Home / UNC Bolts, Nuts and Washers / 4-40 inch UNC Phillips Csk Machine Screws ASME B18.6.3 in A2 Stainless Steel

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4-40 inch UNC Phillips Csk Machine Screws ASME B18.6.3 in A2 Stainless Steel

A popular machine screw with a phillips drive. The countersunk head is typically used in conjunction with a countersunk hole providing a flush, snag free fit. These items are always fully threaded. Conforms to ASME B18.6.3. Typically found on consumer electronics and other small machinery where high torque fasteners are not necessary.

Image of UNC Phillips Csk Machine Screws ASME B18.6.3 in A2 image

technical drawing of UNC Phillips Csk Machine Screws ASME B18.6.3

Technical Summary

nominal diameter

4-40

tpi

threads per inch

head diameter

0.212

head height

0.067

drive size

Standard

ASME B16.6.3-2003

all dimensions in inches

datasheet

< View All Sizes

Description	Sale Qtys	Qty	Price	Breakdown	Despatch Estimate
Machine Screw Phillips Countersunk UNC 4-40 x 1/8 inch in A2 Stainless WF23801			£0.00
Machine Screw Phillips Csk UNC 4-40 x 3/16 inch in A2 Stainless WF21120			£0.00
Machine Screw Phillips Countersunk UNC 4-40 x 1/4 inch in A2 Stainless WF23802			£0.00
Machine Screw Phillips Csk UNC 4-40 x 5/16 inch in A2 Stainless WF23803			£0.00
Machine Screw Phillips Countersunk UNC 4-40 x 3/8 inch in A2 Stainless WF23804			£0.00
Machine Screw Phillips Csk UNC 4-40 x 7/16 inch in A2 Stainless WF23805			£0.00
Machine Screw Phillips Countersunk UNC 4-40 x 1/2 inch in A2 Stainless WF23806			£0.00
Machine Screw Phillips Countersunk UNC 4-40 x 5/8 inch in A2 Stainless WF23807			£0.00
Machine Screw Phillips Countersunk UNC 4-40 x 3/4 inch in A2 Stainless WF23808			£0.00
Machine Screw Phillips Countersunk UNC 4-40 x 7/8 inch in A2 Stainless WF23809			£0.00
Machine Screw Phillips Csk UNC 4-40 x 1-1/4 inch in A2 Stainless WF23810			£0.00
Machine Screw Phillips Csk UNC 4-40 x 1-3/4 inch in A2 Stainless WF23811			£0.00
Machine Screw Phillips Countersunk UNC 4-40 x 2 inch in A2 Stainless WF23812			£0.00

Machine Screw Phillips Countersunk UNC 4-40 x 1/8 inch in A2 Stainless
WF23801

Machine Screw Phillips Csk UNC 4-40 x 3/16 inch in A2 Stainless
WF21120

Machine Screw Phillips Countersunk UNC 4-40 x 1/4 inch in A2 Stainless
WF23802

Machine Screw Phillips Csk UNC 4-40 x 5/16 inch in A2 Stainless
WF23803

Machine Screw Phillips Countersunk UNC 4-40 x 3/8 inch in A2 Stainless
WF23804

Machine Screw Phillips Csk UNC 4-40 x 7/16 inch in A2 Stainless
WF23805

Machine Screw Phillips Countersunk UNC 4-40 x 1/2 inch in A2 Stainless
WF23806

Machine Screw Phillips Countersunk UNC 4-40 x 5/8 inch in A2 Stainless
WF23807

Machine Screw Phillips Countersunk UNC 4-40 x 3/4 inch in A2 Stainless
WF23808

Machine Screw Phillips Countersunk UNC 4-40 x 7/8 inch in A2 Stainless
WF23809

Machine Screw Phillips Csk UNC 4-40 x 1-1/4 inch in A2 Stainless
WF23810

Machine Screw Phillips Csk UNC 4-40 x 1-3/4 inch in A2 Stainless
WF23811

Machine Screw Phillips Countersunk UNC 4-40 x 2 inch in A2 Stainless
WF23812

Prices are subject to quantity discounts based on a sliding scale. Enter the desired quantity in the relevant box in the table above. This will automatically calculate a line price indicating the applicable rate for the quantities selected. All prices shown exclude VAT.