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Bordo BSW Taper Chrome Alloy Hand Tap: 1/8" x 40

SKU: A0195319 | Model: 4228-1/8T

Diameter (inch) x TPI 1/8" x 40. Bordo BSW Taper Chrome Alloy Hand Tap

Chrome Alloy BSW Taper Hand Tap.

Used as thread chasers to clean an existing thread.

They can also be used to create a new female thread in non-ferrous metals and plastics.

Chrome alloy taps are not suitable for creating precision, safety or critical threads.

British Standard Whitworth has a thread angle of 55 degrees as opposed to 60 degrees in Metric and Unified threads.

This thread form was developed by Sir Joseph Whitworth in 1841.

The thread form has rounded roots and crests and is specified in BS84:1956.

The major diameter of external thread and pitch are specified by a simple numerical value (most commonly measured in millimetres).

Taper Taps have a lead of eight threads and are used as a starting tap in difficult or high precision holes.

About Taper Taps

Taper Taps have a lead of eight threads and are used as a starting tap in difficult or high precision holes.

Manufactured from chrome alloy this general purpose tap is designed for use in medium tensile materials and is for hand or general machine use.

About BSW (British Standard Whitworth)

This thread form was developed by Sir Joseph Whitworth in 1841.

The thread form has rounded roots and crests and is specified in BS84:1956.

The thread angle for BSW is 55° as opposed to 60° in Metric and Unified threads.

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