HSS flat countersink with guide pin DIN 373 dia. 10.0 mm shank dia. 8 mm fine for through hole

Technical information

Dia. ball bearing

5.3 mm

Dia. shank

8 mm

Diameter

10 mm

Length, total

80 mm

RPM, grey cast iron, white cast iron

320 - 320 RPM

RPM, hard non-ferrous metals

470 - 640 RPM

RPM, rust and acid-resistant steels

320 - 470 RPM

RPM, soft non-ferrous metals

470 - 640 RPM

RPM, steels over 700 N/mm²

320 - 470 RPM

RPM, steels up to 700 N/mm²

320 - 640 RPM

RPM, thermoplastics, fibre-reinforced plastics (GRP/CRP)

320 - 470 RPM

Version

F

Packaging unit

1 piece

Description

• High-performance flat countersinks made from HSS according to DIN 373 for countersinking cylinder head and hexagon screws as well as nuts. Flat countersinks have a cylindrical design. The cylindrical pin in the relevant quality grades of fine, medium or tapping hole ensures coaxial alignment of the countersink to the bore.
• High-performance countersink tools for through holes with the quality grade fine (F) according to ISO 273.

Special features

• Very high stock removal rate.
• Optimum chip removal.
• Burr-free results.
• Long tool life.
• Smooth operation.
• Good surface quality.

Recommendations for use

• Please observe the recommended rotational speeds.
• Flat countersinks with the quality grade "fine" are suitable for producing flat countersinks at through holes or blind holes in the tolerance range "fine" with high mounting accuracy.

Product identifiers

Product number

25203102

Family SKU

178883

EAN

4007220168929