Irwin Blue Groove 5/8 Inch Spade Bit — RFB58

The Irwin RFB58 Blue Groove Spade Bit is engineered for fast, clean hole boring in wood. The tri-cut spur tip scores the wood ahead of the cutting edge for cleaner entry holes with less tearout, while the aggressive geometry keeps the bit boring efficiently through studs and joists. At 5/8 inch diameter, this is a contractor staple for cable, conduit, and anchor pass-throughs in framing lumber.

• Brand: Irwin
• Part Number / SKU: RFB58
• Diameter: 5/8 Inch
• Shank: 1/4 Inch Hex
• Application: Wood boring in studs, joists, and general framing

Available Variants:

• (1) Bit
• 12 Pack

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