Countersink bit HSS 90°

Name: Countersink bit HSS 90°
Brand: Würth
SKU: 069402616

Countersink bit
CNTSNK-CONI-MA-HSS-BIT-3BLDE-90DGR-D16,5
ZEBRA

Art.-no. 069402616

EAN 4011231603911

All versions

Specification

For countersinking, chamfering and deburring with hand-operated tools

Standardised 1/4 inch hexagon shank

No slipping in the drill chuck, suitable for bit holders

Rapid change between countersinking and screwing possible

Product packaging made from 100 % PCR (recycled plastic from household waste) and 100 % recyclable

Notice

Increased service life and cutting performance by using drilling and cutting oil or cutting paste.

Application area

Use in electric screwdrivers, drills and hand deburrers for processing conventional steels, non-ferrous metals and plastics

Standard speed values for conical countersinks with 1/4 inch bit mount
Material	Non-ferrous metals	Structural steel, sheet steel St 14 - St 37	Plastics, duroplastics, thermoplastics	Aluminium alloys
Cutting speed m/min	15	15 - 20	25	20
dia. mm	n = rpm	n = rpm	n = rpm	n = rpm
6,3	500 - 800	800-1200	800-1200	500 - 800
8,3	400 - 600	600-1000	600-1000	400 - 600
10,4	300 - 500	500 - 700	500 - 700	300 - 500
12,4	250 - 400	400 - 600	400 - 600	250 - 400
16,5	200 - 300	300 - 500	300 - 500	200 - 300
20,5	150 - 250	200 - 400	200 - 400	150 - 250