Item# H9883 Model# 10228

Irwin H9883 - Unibit Four Piece Set

H9883 Irwin Four-Piece Unibit Set

These stepped drill bits do it all!

The four-piece H9883 Unibit Set includes HSS #1, 2, 3, plus #1T step drill bits.

The #1 and #1T bits have thirteen steps allowing you to drill up to thirteen different diameters with one bit from 1/8"–1/2". The #1T has a titanium nitride coating allows the bit to last longer than uncoated bits.

The #2 and #3 bits have SpeedPoint fast-starting tips to eliminate skidding and the need for center punching.

The #2 bit has six steps for drilling from 3/16" to 1/2".

The #3 bit has nine steps for drilling from 1/4" to 3/4".

The single-flute cutting edge allows for greater control through steps.

The three flatted shank prevents slipping in drill chuck.

All Unibit step drills will drill through material up to 1/8" thick.

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Overview

H9883 Irwin Four-Piece Unibit Set

These stepped drill bits do it all!

The four-piece H9883 Unibit Set includes HSS #1, 2, 3, plus #1T step drill bits.

The #1 and #1T bits have thirteen steps allowing you to drill up to thirteen different diameters with one bit from 1/8"–1/2". The #1T has a titanium nitride coating allows the bit to last longer than uncoated bits.

The #2 and #3 bits have SpeedPoint fast-starting tips to eliminate skidding and the need for center punching.

The #2 bit has six steps for drilling from 3/16" to 1/2".

The #3 bit has nine steps for drilling from 1/4" to 3/4".

The single-flute cutting edge allows for greater control through steps.

The three flatted shank prevents slipping in drill chuck.

All Unibit step drills will drill through material up to 1/8" thick.

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