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IRWIN

7/8-Inch To 1-1/8-Inch #9 High Speed Steel Knock-Out Drill Bit

Mfg.#
10239
Sku#
1077320

* Estimated stock levels as of Sat, May 23, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.

Description

High-speed steel bit with single flute cutting edge for greater control through steps. Hex shank prevents slipping in drill chuck. SpeedPoint tip penetrates faster and prevents walking in applications such as drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates.

Specifications

General

Applicable Materials Aluminum, Brass, Copper, Plastic, Stainless Steel
Finish Titanium Nitrade-Coated
Material Steel
Maximum Material Thickiness 1/8 in
Number of Flutes 1
Shank Type Hex
Type Step Drill Bit

Dimensions

Diameter 7/8 in to 1-1/8 in
Shank Diameter 7/16 in

Manufacturing Details
The following information is subject to change without notice

Country of Origin US
Prop 65 Warning Warning WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

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