Overview Reviews Product Description Engineered with a high-speed steel speedpoint tip for fast starts, the Unibit® #12 3/8"Hss fractional step drill bit makes true round holes every time.It's ideal for general use on materials such as mild steel, copper, brass, aluminum, plastic, wood, and laminates.The single-flute cutting edge allows greater control through steps, and the 7/16"Hex-shaped shank offers a secure fit. Irwin Tools Catalog Product Videos Custom Field Manufacturing country US Product Reviews Write a Review Write a Review × Irwin UNIBIT® 3/8" #12 High Speed Steel Self-Starting Step Drill Bit 10312ZR Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *
Irwin | sku: IRW 10311ZR UNIBIT® 7/8" #11 High Speed Steel Self-Starting Step Drill Bit 10311ZR MSRP: Now: $83.32 Add to Cart Irwin | sku: IRW 10313ZR UNIBIT® 1-1/8" #13 High Speed Steel Self-Starting Step Drill Bit 10313ZR MSRP: Now: $107.36 Add to Cart Irwin | sku: IRW 10310 UNIBIT® 1/2" #10 High Speed Steel Self-Starting Step Drill Bit 10310 MSRP: Now: $40.41 Add to Cart Irwin | sku: IRW 10234 UNIBIT® 3/16 - 7/8" #4 High Speed Steel Step Drill Bit 10234 MSRP: Now: $88.74 Add to Cart
Irwin | sku: IRW 10313ZR UNIBIT® 1-1/8" #13 High Speed Steel Self-Starting Step Drill Bit 10313ZR MSRP: Now: $107.36 Add to Cart Irwin | sku: IRW 10310 UNIBIT® 1/2" #10 High Speed Steel Self-Starting Step Drill Bit 10310 MSRP: Now: $40.41 Add to Cart Irwin | sku: IRW 10234 UNIBIT® 3/16 - 7/8" #4 High Speed Steel Step Drill Bit 10234 MSRP: Now: $88.74 Add to Cart
Irwin | sku: IRW 10310 UNIBIT® 1/2" #10 High Speed Steel Self-Starting Step Drill Bit 10310 MSRP: Now: $40.41 Add to Cart Irwin | sku: IRW 10234 UNIBIT® 3/16 - 7/8" #4 High Speed Steel Step Drill Bit 10234 MSRP: Now: $88.74 Add to Cart
Irwin | sku: IRW 10234 UNIBIT® 3/16 - 7/8" #4 High Speed Steel Step Drill Bit 10234 MSRP: Now: $88.74 Add to Cart