Home / UNC Bolts, Nuts and Washers / 1/4 inch UNC Phillips Fillister Head Machine Screws ASME B18.6.3 in A2 Stainless Steel

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1/4 inch UNC Phillips Fillister Head Machine Screws ASME B18.6.3 in A2 Stainless Steel

UNC Phillips Fillister machine screws have a large cylindrical head, with a slightly convex top surface. Fillister head screws are the preferred head type for counterbored holes and can also be used for protecting a surface by raising the level which the screw diver is used to tighten the fixing. They are similar to a Pan head machine screw, but with greater side height. Height to diameter ratio is larger than a cheese head. Imperial Unified Coarse thread version.

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

technical drawing of UNC Phillips Fillister Head Machine Screws ASME B18.6.3

Technical Summary

nominal diameter

1/4

t.p.i

threads per inch

dk max. (inch)

head diameter

0.414

A max. (inch)

dimension A maximum

0.170

k max. (inch)

head height

0.237

Standard

ASME BA18.6.3

Material

A2 Stainless Steel

all dimensions in inches

datasheet

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Description	Sale Qtys	Qty	Price	Breakdown	Despatch Estimate
1/4 x 3/8 UNC Machine Screw Phil Fillister in A2 Stainless WF58709			£0.00
1/4 x 1/2 UNC Machine Screw Phil Fillister in A2 Stainless WF58710			£0.00
1/4 x 5/8 UNC Machine Screw Phil Fillister in A2 Stainless WF58711			£0.00
1/4 x 3/4 UNC Machine Screw Phil Fillister in A2 Stainless WF58712			£0.00
1/4 x 1-1/4 UNC Machine Screw Phil Fillister in A2 Stainless WF58713			£0.00
1/4 x 1-3/8 UNC Machine Screw Phil Fillister in A2 Stainless WF58714			£0.00
1/4 x 1-1/2 UNC Machine Screw Phil Fillister in A2 Stainless WF58715			£0.00
1/4 x 1-3/4 UNC Machine Screw Phil Fillister in A2 Stainless WF58716			£0.00
1/4 x 2 UNC Machine Screw Phil Fillister in A2 Stainless WF58717			£0.00
1/4 x 2-1/4 UNC Machine Screw Phil Fillister in A2 Stainless WF58718			£0.00
1/4 x 2-1/2 UNC Machine Screw Phil Fillister in A2 Stainless WF58719			£0.00
1/4 x 3 UNC Machine Screw Phil Fillister in A2 Stainless WF58720			£0.00
1/4 x 4 UNC Machine Screw Phil Fillister in A2 Stainless WF58721			£0.00

1/4 x 3/8 UNC Machine Screw Phil Fillister in A2 Stainless
WF58709

1/4 x 1/2 UNC Machine Screw Phil Fillister in A2 Stainless
WF58710

1/4 x 5/8 UNC Machine Screw Phil Fillister in A2 Stainless
WF58711

1/4 x 3/4 UNC Machine Screw Phil Fillister in A2 Stainless
WF58712

1/4 x 1-1/4 UNC Machine Screw Phil Fillister in A2 Stainless
WF58713

1/4 x 1-3/8 UNC Machine Screw Phil Fillister in A2 Stainless
WF58714

1/4 x 1-1/2 UNC Machine Screw Phil Fillister in A2 Stainless
WF58715

1/4 x 1-3/4 UNC Machine Screw Phil Fillister in A2 Stainless
WF58716

1/4 x 2 UNC Machine Screw Phil Fillister in A2 Stainless
WF58717

1/4 x 2-1/4 UNC Machine Screw Phil Fillister in A2 Stainless
WF58718

1/4 x 2-1/2 UNC Machine Screw Phil Fillister in A2 Stainless
WF58719

1/4 x 3 UNC Machine Screw Phil Fillister in A2 Stainless
WF58720

1/4 x 4 UNC Machine Screw Phil Fillister in A2 Stainless
WF58721

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