DRILLING
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COBALT HSS-CO
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1 . NO-WALK TIP The ‘ no walk ’ tip allows for easier penetration of all surfaces ( 5mm and above ). Cleaner , more accurate , burr-free holes due to recessed cutting wings .
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2 . FASTER DRILLING The optimised tip and flute geometry delivers 4 x the penetration speed ( vs HSS-R ). It also removes debris faster and reduces heat build up .
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3 . STRONG CENTRAL CORE Increasing in thickness towards the chuck , the central core improves fracture stability , particularly in freehand use ( 4.8mm diameter and up ).
4 . NO-SLIP SHANK Spin proof 3 sided shaft for optimal grip in drill chuck ( diameters 5mm and above only ).
5 . LONG LASTING 5 % cobalt content maintains a sharper cutting edge and delivers 4 x longer life ( vs HSS-R ).
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Metal
Iron
Stainless Steel
6 . SIZE INDICATORS Away from abrasion and , located outside of grip zone , positioning ensures easy readability ( from 5mm diameter and up ).
PACKS Item No . Diameter ( mm ) Total length ( mm ) Working length ( mm ) Pack Qty . DT4900-QZ 2 49 24 2 DT4901-QZ 2 49 24 2 DT4902-QZ 3 61 33 2 DT4903-QZ 3 . 70 39 2 DT4904-QZ 4 75 43 2 DT4905-QZ 4.5 80 47 1 DT4906-QZ 5 86 52 1 DT4907-QZ 5.5 93 57 1 DT4908-QZ 6 93 57 1 DT4909-QZ 6.5 101 63 1 DT4911-QZ 7 109 69 1 DT4912-QZ 8 117 75 1 DT4913-QZ 9 125 81 1 DT4914-QZ 10 133 87 1 DT4915-QZ 11 142 924 1 DT4916-QZ 12 151 101 1 DT4917-QZ 13 151 101 1
Nickel
Bronze
APPLICATIONS Suitable for portable or stationary drilling of high alloy content steels and metals with a tensile strength up to 1100N / mm2 e . g . heat and acid proof steel , cast iron , bronze , welded seams , stainless and chrome nickel steels .
FOR USE WITH |
Corded |
and |
cordless |
drills . |
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Made in Germany .
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