Irwin 10232CB Cobalt Step Drills 3/16-1/2 in 6 Steps

Product Description

The IRWIN 10232CB Cobalt Step Drills are ideal for drilling holes in thin materials. Engineered with M35 cobalt steel for durability when drilling in steel, including stainless steel. Features a single flute cutting edge that drills multiple sizes of round holes with step control. Hole sizes are laser etched for easy identification.

• 6x longer life
• Laser marked sizes
• SpeedPoint tip for fast starts

Product Highlights

The IRWIN Cobalt Step Drill is designed for drilling multiple size holes in thin materials with precise step control and long-lasting performance.

Product Information

Standard Information

• Brand: IRWIN
• Manufacturer Part Number: 10232CB
• Country of Origin: US

Technical Specifications

• Applicable Materials: Aluminum; Brass; Copper; Mild Steel; Plexiglass; Wood
• Applications: General Applications
• Cutting Diam [Max]: 1/2 in
• Cutting Diam [Min]: 3/16 in
• Cutting Edge Material: M35 Cobalt HSS
• Height [Nom]: 1 in
• Length [Nom]: 7.25 in
• Material Thickness [Max]: 1/16 in
• Measurement Type: Fractional
• No. of Steps: 6
• Type: Step Drill Bit
• Width [Nom]: 3.25 in
• Material: M35 High-Speed Steel
• Drill Diameter: 3/16-1/2 in
• Package Quantity: 1 each
• Trade Name: Unibit
• Item: Step Drill
• Shank Type - Machining: Hex
• Material - Machining: Cobalt Alloy Steel
• Finish - Machining: Black Oxide
• Number of Flutes: 1
• Impact Rated: Not Impact Rated
• Number of Pieces: 1
• Decimal Equivalent: 0.1875, 0.25, 0.3125, 0.375, 0.4375, 0.5
• Flute Type: Radial Concave Flute
• Sub Brand: Unibit
• Series: Unibit
• Measurement System: Fractional Inch
• Primary Material Application: Aluminum, Brass, Copper, Hardened Steel, Plastic, Stainless Steel, Steel, Wood
• Drill Bit Point Type: Speed Point
• Cutting Direction: Right Hand
• Step Increments: 1/16 in
• Shank Diameter: 1/4 in
• Overall Length: 3 1/4 in
• Size Range: 3/16 in to 1/2 in
• Step Thickness: 3/8 in
• Drill Bit Sizes Included: 3/16 in, 1/4 in, 5/16 in, 3/8 in, 7/16 in, 1/2 in
• Maximum Drilling Depth: 5/16 in
• Shank Hex Size: 1/4 in
• Minimum Hole Size: 3/16 in
• Maximum Hole Size: 1/2 in
• Number Hole Sizes: 6
• Finish: Bright/Steam Oxide
• Hole Sizes Cut: 1/2 in, 1/4 in, 3/16 in, 3/8 in, 5/16 in, 7/16 in
• Letter/Wire Size: #2
• Point Type: SpeedPoint
• Shank Type: Hex
• Step Depth: 1/16 in