Page 309 - Icon Ridge Maintenance & Service Catalog

Drilling, Milling, Tapping and Threading

General Characteristics

DIN Twist drills with cylinder shank High speed steel for drilling in highly preocessable
338 HSS materials with a strength of up to 900 N/mm²

DIN Spiral drills with thickened cylinder shank HSSE High-speed steel with 5% carbon content. High
338 Co 5 toughness and heat resistance for drilling in difficult to
machine materials with a strength of up to 1,100 N/mm².

DIN Long twist drills with cylinder shank HSSE High-speed steel with 8% carbon content. Very high
strength and excellent heat resistance for drilling in high
340 Co 8 strength materials, austenitic steel, for hot forging, etc.,
with a strength of up to 1,300 N/mm².
DIN Twist drill with morse taper shank
345

Extra short twist drill with cylinder shank
DIN Titanium nitride coating increases the service life compared
1897 TiN to uncoated tools.

Centering drill 60° - Form A
DIN Titanium-aluminum-nitride coating increases the resistance
333 TiAIN to oxidation and hot-setting.

DIN Extra long twist drills with cylinder shank
1869

Conical section (normal section) Split point
Strong main cutting edges, resistant against shock and Prolonged main cutting edges, resistant against shock,
possible lateral forces, easy to sand by hand good heat dissipation for greater durability

main cutting
angle of twist
edge
point angle

cross cutting
core groove profile point sharpening edge

Guide values - recommended speed in 1/rpm

Drill Ø Steel Stainless steel Aluminium Brass Plastic High strength steel
1 mm 2.800 2.200 5.500 4.500 2.500 1.800
2 mm 2.600 2.000 5.000 4.000 2.300 1.200
3 mm 2.200 1.600 4.500 3.500 1.900 800
4 mm 1.800 1.250 4.000 3.100 1.500 630
5 mm 1.500 1.000 3.500 2.750 1.250 510
6 mm 1.250 800 3.050 2.400 1.050 420
7 mm 1.060 660 2.650 2.100 900 360
8 mm 900 560 2.330 1.800 775 310
9 mm 770 490 2.000 1.540 660 280
10 mm 660 430 1.730 1.300 580 250
11 mm 580 375 1.480 1.080 510 230
12 mm 510 330 1.250 860 450 210
13 mm 450 300 1.050 700 400 190
14 mm 400 270 870 550 360 170

Technical data subject to change.
Availability subject to country specific rules and regulations. www.iconridge.com Source: Theo Förch GmbH & Co. KG 309