Dormer Pramet R7131 6.80 mm CARBIDE TIALN 140 DEG CHAMFER DRILL Magnetic Workholding Chuck Gash tooth geometry to prevent

Gash tooth geometry to prevent flute chipping: A purposefully designed gash tooth shape reduces flute chipping

005 mm) under BS 328/4 ensures consistent finished holes

1) and a variable-index geometry

this Toolex reamer requires a short lead time with despatch typically within 24–48 hours

Dormer Pramet R7131 6.80 mm CARBIDE TIALN 140 DEG CHAMFER DRILL Magnetic Workholding Chuck Gash tooth geometry to preventThe Dormer Pramet R7131 6. 80 mm carbide chamfer drill combines a precision 140 pilot with a 90 chamfer to create accurate chamfered holes for standard metric threads in a single operation. This makes it an ideal choice for engineers, machinists, tradespeople, and hobbyists who need reliable chamfering and hole preparation without switching tools. Coated with Titanium Aluminium Nitride (TiAlN), the drill delivers longer service life and steadier