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Impact drill bit assortment, Longlife Quadro-L with SDS-plus drive arbor
Extremely resistant impact drill bits with symmetrical, one piece case-hardened carbide head with 4 cutting edges. Its high-quality material and its geometry ensure precise, uniform drilling. 7 pcs
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Variants
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No entanglement or misalignment when drilling
The symmetrical 4 x 90° cutting edge geometry prevents the drill bit from hooking in or running off centre when striking e.g. concrete reinforcements.
Perfect drilling properties
- Thanks to head geometry that is tailored to the drill bit diameter.
- 5-16 mm: One piece carbide element (fig. 1) for high stability thanks to the maximised attachment surface with the steel body
- 18-32 mm: Multi piece case-hardened carbide element (fig. 2) for faster drilling and better-contained torque thanks to its three-section design
Optimum guidance in drilled hole
Thanks to its drilling geometry with 4 cutting edges and 4 spirals.
Constant drilling speeds
Thanks to the head's special geometry
Precise spot drilling
Thanks to its self-centring point
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