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Irwin® Unibit® High Speed Steel Fractional Self-Starting

Price

$29.99

Irwin® Unibit® High Speed Steel Fractional Self-Starting from Irwin Unibit®, available in the versions listed below.

  • Single-flute cutting edge for greater control through steps
  • Hex shank prevents slipping in drill chuck
  • Also available with (TiN) coating for longer life
  • New SpeedPoint tip penetrates faster than previous Unibits and prevents walking
  • Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates

Available in 5 versions. Choose one from the list to see the exact item number and price.

Version

Quantity

Specifications

Cutting Diameter [Max]: 1-3/8 in; 3/4 in; 1/2 in; 7/8 in

Cutting Diameter [Min]: 1/4 in; 1/8 in; 3/16 in

Cutting Edge Material: HSS

Material Thickness [Max]: 1/8 in; 3/8 in; 1/16 in

Measurement Type: Fractional

No. of Steps: 10; 9; 13; 6; 12

Shank Diameter: 7/16 in; 3/8 in; 1/4 in

Length: 6.1 in; 7.2 in; 6.15 in

Width: 3 in; 1 in; 3.1 in; 3.05 in

Height: 1.35 in; 3.2 in; .75 in; .8 in; 1 in

Item Numbers

Variant item numbers:

10235 – 1/4 in to 1-3/8 in · 10 Steps
10233 – 1/4 in to 3/4 in · 9 Steps
10231 – 1/8 in to 1/2 in · 13 Steps
10232 – 3/16 in to 1/2 in · 6 Steps
10234 – 3/16 in to 7/8 in · 12 Steps

Home Products Power Tools Drilling & Fastening Tools Drill Parts & Accessories Step Drill Bits Irwin® Unibit® High Speed Steel Fractional Self-Starting

Sold individually. Quantity 1 = 1 unit.

Ships from the closest warehouse. Orders placed by 9 AM Pacific usually ship the same business day; delivery is typically 2–4 business days.

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Corporate Accounts

Contract pricing and inventory management available.

Live Service & Support

Real people who know the products, Monday to Friday 7:30am to 4pm Pacific. 925-215-7337

We Deliver

We ship nationwide. Parcel and LTL freight to job sites and warehouses across the U.S.

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