Drill Bits & Accessories

The Irwin 88910 Spade Bit Speedbor Blue Groove 160 × 10mm is a high-performance wood boring flat bit designed for fast, clean drilling through soft and hardwoods. With a length of 160mm and a diameter of 10mm, it offers significant reach for drilling through thick timber sections, stud work, and timber framing. The Blue-Groove point and double cutting spurs help reduce breakout and create more precise holes. The bit is built with a 6mm hex shank with grooves to reduce slipping in drill chucks or bit extensions. It is intended for tradespeople, electricians, carpenters, plumbers, and DIY users who need durable, efficient, and cleaner hole drilling performance.

Features:
*Blue-Groove point and cutting edge for faster chip removal.
*4× faster drilling compared to standard spade bits in many applications.
*Double cutting spurs that scribe the outside of the hole to reduce breakout and improve edge finish.
*10% larger shank size for improved durability and resistance to bending.
*Grooved hex shank prevents slipping in drill chucks or bit extensions.
*Fits standard quick-change chucks.

Specifications:
*Manufacturer: Irwin
*Part Number: 88910
*SKU: IRW88910
*Bit Type: Spade Bit (Speedbor Blue Groove)
*Diameter: 10mm
*Length: 160mm (overall)
*Shank Type: Hex shank (grooved), approximately 6mm hex size
*Material: Hardened steel (industrial grade)
*Intended Use Material: Softwood, hardwood, and general woodboring tasks
*UPC: 024721013835

Uses:
*Drilling through thick timber (studs, beams, joists).
*Creating holes for running cables, plumbing pipes, or conduits through wooden members.
*Carpentry and joinery tasks where clean hole exit and minimal splintering are important.
*Installation tasks in construction such as framing, decking, and structural timber connections.
*General woodworking, furniture making, and renovations where reach and precision are required.