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Goliath HSS die 3/8” UNC
BWP 00522
B 32
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Features:
3/8" x 16 UNC Intermediate Left Hand HSS Tap - Goliath
LEFT HAND HSS Bright Finish UNC 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.
Unified National Coarse thread form was introduced in 1948 as an attempt to standardise thread forms in the USA, Canada and the UK.
The thread profile of UNC is the same as for metric threads and is described in the JIS B0206 standard.
The thread is described by its major diameter and the number of threads per inch of length (TPI).
This thread series is commonly used in the mass production of bolts, screws and nuts.
It is used for threading into lower tensile strength materials (bronze, brass, aluminium and plastics) to obtain the best resistance to stripping of the internal thread.
It is also used on quick assembly or disassembly or if corrosion or slight damage is possible.
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.
Specifications:
Diameter (inch)
3/8
Drill Diameter (mm)
8
Overall Length (mm)
80
Pitch (tpi)
16
Lead
Intermediate
Thread Form
UNC
# Flutes
4
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