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Makita® B-31108 Step Drill Bit, 3/16 in Dia Min Hole, 1/2 in Dia Max Hole, 6 Steps, 1/4 in Shank

Makita_B31108.jpg

Description

Makita® Step Drill Bit, Imperial, 3/16 in Diameter Minimum Hole, 1/2 in Diameter Maximum Hole, 6 Steps, 3/16 in, 1/4 in, 5/16 in, 3/8 in, 7/16 in, 1/2 in, Spiral Flute, 1/4 in Shank, Hex Shank, TiN Coated, Applicable Materials: Ferrous and Non-Ferrous Metals, Plastics and Wood

Specifications

Applicable Materials Ferrous and Non-Ferrous Metals, Plastics and Wood
Drill Diameter Measurement System Imperial
Finish TiN Coated
Flute Type Spiral
Hole Sizes Cut 3/16 in, 1/4 in, 5/16 in, 3/8 in, 7/16 in, 1/2 in
Maximum Hole Diameter 1/2 in
Minimum Hole Diameter 3/16 in
Number of Steps 6
Shank Size 1/4 in
Shank Type Hex

Warranty: 1 year Limited

Country of Origin: China

Application:
For drilling and enlarging holes, forming countersinks, de-burring holes and more

Features

  • Spiral flutes are self starting and enable fast drilling, easy handling, smooth cutting and reduced vibration and noise versus straight flute bits
  • Titanium-nitride (TiN) coating offers improved bit hardening, corrosion resistance and up to 2-1/2X longer life versus uncoated bits
  • Three flat shank enables optimum hold on bit when used in standard jawed drill chucks
  • Not recommended for use with impact drivers

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