Irwin 10313ZR Unibit 1-1/8-Inch Step-Drill Bit 1/2-Inch Shank

Product Description

The Irwin 10313ZR Unibit 1-1/8-Inch Step-Drill Bit with 1/2-Inch Shank is designed for drilling perfectly round holes in metal, plastic, wood, and other thin materials. This step drill bit is made of industrial-grade high-speed steel, heat-treated, and tempered for durability.

• Single radial concave flute
• Constructed of high-speed molybdenum steel
• 3-sided shank to prevent slipping

Product Highlights

This step drill bit features a single-flute cutting edge for greater control and a hex shank that prevents slipping in the drill chuck. It is ideal for creating holes in thin materials such as stainless steel, copper, brass, aluminum, plastic, and laminates.

Product Information

Standard Information

• Manufacturer: Irwin Tools
• Brand: Irwin
• Model: 10313ZR
• Country of Origin: US
• Prop 65 Warning Required: Yes
• Prop 65 Warning Message: WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

Technical Specifications

• Material: High-speed steel
• Shank Type: Round
• Finish Type: Brass
• Dimensions: 3 x 1 x 6.1 inches
• Weight: 3.88 ounces
• Hex Shank Size: 1/2 inch
• Cuts Through: Metal, Plastic, Wood, Thin Materials
• Cutting Diameter (Max): 1-1/8 inches