Page 40 - Wurth Total Catalogue

COUNTERSINK & DEBURRING BIT HSS-E, 90°

With cylindrical hole.

• CBN (cubical boron nitride) deep ground.
• For de-burring of 90° countersunk holes.
• Suitable for almost all materials.
• Even countersunk relief grinding results in a
smooth, peeling cut.
• Smooth, chatter-free, burr free and high
surface quality due to chip removal towards
Countersink Head Total Shank Art. No. Pack Qty. the shank due to lateral hole.
Range mm Dia. mm Length mm Dia. mm • Speed table enclosed.
2 - 5 10 45 6 0694 021 02 • Extended service life and improved
5 - 10 14 48 8 0694 021 05 1 cutting performance by using Wurth Cutting
10 - 15 21 65 10 0694 021 10 Oil.
15 - 20 28 85 12 0694 021 15

COUNTERSINK & DEBURRING BIT HSS-E, 90°ASSORTMENT

With cylindrical hole.

Contents Art. No. Pack
Qty.
1 Countersunk Bit each
Countersink Range 2/5 0694 021 01 1
- 5/10 - 10/15 and
15/20 mm.

Speed Table for Countersink Bits with Cylindrical Hole
Material Non-Ferrous Steel Sheets Plastics, Cast Iron Aluminium
Metals Soft, i.e. Duroplasts up to Alloys
St 14 - St 37 Thermoplasts 250 n/sq.mm
Cutting speed m/min 20 15 15 - 20 10 25
Diameter mm n = r.p.m. n = r.p.m. n = r.p.m. n = r.p.m. n = r.p.m.
2 - 5 900 - 1200 600 - 900 900 - 1200 500 - 700 1200 - 1600
700 - 900
500 - 700
300 - 400
300 - 500
500 - 700
5 - 10
AUS. pub. 06/10 © 10 - 15 300 - 500 250 - 300 300 - 500 200 - 300 500 - 700
300 - 500
150 - 250
15 - 20
100 - 200
200 - 300
200 - 300
20 - 25
200 - 300
100 - 150
150 - 200
150 - 200
100 - 150
02 1002