Goliath Threading Tools 1.1/2″ x 6 BSW Intermediate HSS Tap – Goliath

Description

1.1/2″ x 6 BSW Intermediate HSS Tap – Goliath
HSS Bright Finish BSW Hand and Machine Intermediate Tap.
HSS Straight Flute Short Machine and Hand Taps.
These general purpose taps are ideal for creating new threads in a wide variety of materials.
Goliath HSS taps provide a high hardness to toughness ratio, compressive and tensile strength, good abrasion resistance and resistance to micro-chipping, ensuring a long tool life.
British Standard Whitworth angle of thread is 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.
Intermediate Taps have a lead of four threads and are used in most general purpose applications to cut a thread true to a pre-drilled pilot hole.
Manufactured from HSS this general purpose tap is designed for use in medium tensile materials and is for hand or general machine use.
Category: Goliath Threading Tools, Taps Hand & Machine, HSS Straight Flute Short Machine and Hand Taps, BSW
Drill Diameter (mm): 33.5
Overall Length (mm): 170
Pitch (tpi): 6
Lead: Intermediate