Details
The Irwin Step Drill Bit (10313ZR) is a UNIBIT series step drill bit built from high speed steel, designed for professionals and tradespeople who need a durable, versatile drilling tool for a range of materials. Its precise 5/32" step increments let you drill multiple hole sizes with a single bit, reducing tool changeovers on the job.
Key Features:
- Material: High speed steel construction for durability and heat resistance
- Finish: Black oxide finish for added corrosion resistance
- Shank: Straight 3-flats shank (3/8") for a secure chuck grip
- Dimensions: 1-1/8" x 1-1/8" x 5/32" x 2-13/16" overall length
- Drill Range: Min. and max. drill size of 1-1/8" with 5/32" drill increments
- Material Compatibility: Works with aluminum, brass, copper, laminate, plastic, steel, and wood
- Brand: Irwin
Ideal For:
- Electricians and metalworkers drilling multiple hole sizes in sheet metal
- Woodworkers and fabricators needing a single bit for varied materials
- Tradespeople working with aluminum, brass, copper, laminate, plastic, or steel
Frequently Asked Questions:
Q: What materials can this step drill bit be used on?
It's designed for use with aluminum, brass, copper, laminate, plastic, steel, and wood.
Q: What is the shank size on this bit?
It has a straight 3-flats shank measuring 3/8", designed for a secure grip in the chuck.
This Irwin step drill bit delivers reliable, multi-material drilling performance for shops and job sites alike.