Combination counterbore HSS model 2 24mm

• Just 3 holder sizes required to cover a countersink range of 7 - 66 mm (on request up to 84 mm).
• Any countersink and pilot pin combination possible within the same holder size.
• Tight bore and shank tolerances ensure a high degree of true-running accuracy.
• Countersink and pin are fastened quickly and securely with just one screw. An additional stud safety catch prevents countersinks from twisting.
• Combine elements to produce countersinks for DIN screws and to machine stepped bores or non-standard countersinks
• 4 cutting edges

• Countersink range 24 - 66 mm
• Cutting length 27 mm
• Shank Ø 22mm

Usage characteristics

• aluminum < 8% Si
• aluminum >= 8 % Si
• brass short
• cast iron GG/GTS
• cast iron GGG
• copper Cu-alloy
• austenitic stainless steel
• stainless steel ferrit./martens.
• steel < 1000 N/mm2
• steel < 1400 N/mm2
• steel < 700 N/mm2