Irwin® Blue Groove 4X Flat Bit 22 x 152mm Hobs & Combination Units bonnet (Part Number 0869SH) is

bonnet (Part Number 0869SH) is OE-quality replacement

making them suitable to fit

1 x Universal joint

Steel frame construction with side mounted hydraulic pump unit

natural stone and composite material

Irwin® Blue Groove 4X Flat Bit 22 x 152mm Hobs & Combination Units bonnet (Part Number 0869SH) isThe IRWIN Blue Groove 4X Flat Bits have a patented groove point and cutting edge, designed to cut and not scrape the timber. They are 4 times faster than standard flat bits. The parabolic scoop optimises control and removal of wood chips. Increased relief angle from 12 to 17. The shank is 152mm in length and 10% larger in diameter for added durability. 1 x IRWIN Blue Groove 4X Flat Bit 22 x 152mm