Countersink bit HSS 90°
Countersink bit
CNTSNK-CONI-MA-HSS-BIT-3BLDE-90DGR-D16,5
ZEBRA
Art.-no.
069402616
EAN 4011231603911
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For countersinking, chamfering and deburring with hand-operated tools
Standardised 1/4 inch hex shank
No slipping in the drill chuck, suitable for bit holders
Fast changes between countersinking/screwing
Sustainable product packaging made from 100 % PCR (recycled plastic from household waste), 100 % recyclable and Cradle to Cradle Certified® in Bronze
Notice
Increased service life and cutting performance by using drilling and cutting oil or cutting paste.
Product information
Datasheets(X)
Application area
Use in electric screwdrivers, drills and hand deburrers for processing conventional steels, non-ferrous metals and plastics
Spot-facer diameter (d1) | 16.5 mm |
Length (l1) | 40 mm |
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 |