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Step Drill Bit Set, Bright Finish, High Speed Steel, Black Oxide, 3-Piece

  • Mfr # 10502ZR
  • Zoro # G2275869
product price: 
$
51.15
/ea

Key Features

Number of Pieces
3
Cutting Direction
Right Hand
Drill Bit Point Angle
135 Degrees
Drill Bit Material
High Speed Steel
Includes
(1) Step Drill Bit 1/8 in to 1/2 in , (1) Step Drill Bit 3/16 in to 1/2 in , (1) Step Drill Bit 1/4 in to 3/4 in
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Specifications

Details

MFR #
10502ZR
Zoro #
G2275869
UPC #
00038548105024
Country of Origin
United States
Item
Step Drill Bit Set
Number of Pieces
3
Cutting Direction
Right Hand
Drill Bit Point Angle
135 Degrees
Drill Bit Material
High Speed Steel
Includes
(1) Step Drill Bit 1/8 in to 1/2 in , (1) Step Drill Bit 3/16 in to 1/2 in , (1) Step Drill Bit 1/4 in to 3/4 in
Impact Rated
Not Impact Rated
Shank Type
Hex
Shank Shape
Three-Flat
Number of Flutes
1
Decimal Equivalent
0.125, 0.1563, 0.1875, 0.2188, 0.25, 0.2813, 0.3125, 0.3438, 0.375, 0.4063, 0.4375, 0.4688, 0.5, 0.5625, 0.625, 0.6875, 0.75
Material - Machining
High Speed Steel
Measurement System
Fractional Inch
Primary Material Application
Aluminum, Brass, Copper, Wood, Plastic, Steel
Finish - Machining
Black Oxide
Shank Type - Machining
Straight with Three Flats
Drill Bit Case Type
Plastic Case
Number of Drill Bits
3
Sub Brand
Unibit
Drill Bit Point Type
Speed Point
Step Increments
1/32 in, 1/16 in

Description

The IRWIN - 10502ZR is a step drill bit set composed of three high speed steel drill bits manufactured for fractional-inch step measurements. It features cutting sizes ranging from 1/8 in to 3/4 in, supporting drilling diameters within the included step sizes (1/8 in through 3/4 in) using the specified step increments. The bits have a speed point tip with a 135-degree point angle and a black oxide finish for machining use. The set is housed in a plastic case for storage and organization.

Key Features:

  • Includes three step drill bits with overall lengths of 2 1/2 in, 3 3/16 in, and 3 1/4 in.
  • Covers 17 to 28 hole sizes with step increments of 1/32 inch and 1/16 inch and step thicknesses of 5/32 inch and 3/8 inch.
  • Shank diameters are 1/4 inch and 3/8 inch with a hex shank shape and three-flat design for secure grip.
  • Flute length varies between 1 1/2 in and 2 3/16 in with a single flute per bit.
  • Drill bit sizes included range from 1/8 in through 3/4 in in fractional increments suited for multiple hole sizes.
  • Measurement system used is fractional inch.
  • Drill bits have a speed point type and are right-hand cutting.

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