HSS BITS
HSS-CO EXTREME COBALT DRILL BITS
Applications
• Suitable for portable or stationary drilling of high alloy content steels and metals with a tensile strength of up to 1100N / mm2 e . g . heat and acid proof steel , cast iron , bronze , welded seams , stainless and chrome nickel steels
Features
• Faster drilling - up to 4x faster than standard HSS-R drill bits .
• Increased durability - up to 50 % stronger than standard HSS-R drill bits .
• Cleaner , more accurate , burr-free holes due to recessed cutting wings
• Innovative tapered web greatly reduces breakage
• No-Slip shank with 3 flats eliminates slipping in the chuck [ diameters 5.0mm and above only ]
• Gold Ferrous Oxide coating prevents overheating for longer bit life
• 5 % cobalt alloyed High Speed Steel for stability at high temperatures when drilling tough materials .
DEWALT HSS-CO EXTREME COBALT DRILL BITS |
Cat No . |
Diameter [ mm ] |
Length [ mm ] |
Working Length [ mm ] |
Pcs in pack . |
DT5408-QZ |
3.5MM |
70 |
39 |
2 |
DT5415-QZ |
5.5MM |
93 |
57 |
1 |
DT5416-QZ |
6.0MM |
93 |
57 |
1 |
DT5417-QZ |
6.5MM |
101 |
63 |
1 |
DT5421-QZ |
9.0MM |
125 |
81 |
1 |
DT5424-QZ |
11.0MM |
142 |
94 |
1 |
DT5426-QZ |
12.0MM |
151 |
101 |
1 |
DT5427-QZ |
13.0MM |
151 |
101 |
1 |
DT5636-QZ |
4.2MM |
75 |
43 |
1 |
DT5641-QZ |
7.5MM |
109 |
117 |
1 |
DT5644-QZ |
8.5MM |
117 |
75 |
1 |
DT5645-QZ |
9.5MM |
125 |
81 |
1 |
DT5647-QZ |
10.5MM |
133 |
87 |
1 |
DT5648-QZ |
11.5MM |
142 |
94 |
1 |
DT5650-QZ |
12.5MM |
151 |
101 |
1 |
NUMBER OF HOLES
2500
2000
1500
1000
500
0
LIFE
3X
LIFE *
Brand CL Brand CT Brand T Brand P Brand I
* In Drill Press vs . Other Uncoated Cobalt Drills
LIFE - Drill Press 4140 Tools Steel , . 006 ” Feed Rate , 750 RPM