PROJAHN Hammer drill bit, shank hex 19 mm – Ø mm 22, L 420, L2 250 (8822420)
Code: 8822420 · Brand: Projahn · Accessories & bits · On order · Price on request
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The specific symmetrical 4-cutter head design (one main cutting edge, two secondary cutting edges) ensures centric guidance in the drill hole, thus guaranteeing round and straight holes
Minimised friction in the drill hole – maximised service life
Fastest removal of drilling dust thanks to the large dust flutes of the double conveying spiral
Dynamic core reinforcement for maximum energy transfer
The hammer drill bit penetrates even the hardest concrete quickly
Vibrations are significantly reduced by the innovative spiral design (KVS), enabling more comfortable work for user and machine
The two additional secondary cutting edges protect the drill bit when it hits rebar and help to avoid damage to the drill head
Exact dimensional accuracy: trouble-free bit changes over the long term
The hammer drill bit with hex shank is the high-performance tool for modern rotary hammers of the class over 5 kg
KVS spiral
Ø 12 – 15 mm 2 cutting edges
from Ø 16 mm 4 cutting edges
Specifications
| Article No. | 8822420 |
|---|---|
| EAN | 4000146882245 |
| Ø mm | 22 |
| L | 420 |
| L2 | 250 |
| Tool holder | Hex 19 mm |
| Application | Concrete, masonry, natural stone |
| Packaging | Individually with hanger |
| Note | When using drill bits longer than 450 mm, pre-drill to a depth of at least 150 mm |
