Diamond core bit R ½“ (42 mm) Klingspor DR 912 B SPECIAL (325808)

KLINGSPOR diamond core bit — drilling larger-diameter holes in compatible materials with suitable drilling equipment. 42 mm. Ref.: 03-325808.
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KLINGSPOR diamond core bit — drilling larger-diameter holes in compatible materials with suitable drilling equipment. 42 mm. Ref.: 03-325808.
DDS-W drill bit — drilling holes in the specified material. 42x450; 1/4. Ref.: 81-37903370069.
DISTAR drill bit — drilling holes in the specified material. 42x450; 1/4. Ref.: 81-17903094069.
RIDGID diamond core bit — drilling larger-diameter holes in compatible materials with suitable drilling equipment. 42x300 mm; 1/2. Ref.: 12-62886.
RIDGID diamond core bit — drilling larger-diameter holes in compatible materials with suitable drilling equipment. 42x200 mm; 1/2. Ref.: 12-52676.
RIDGID diamond core bit — drilling larger-diameter holes in compatible materials with suitable drilling equipment. 42x350 mm; 1/2. Ref.: 12-52876.
Drill bits and hole saws are essential cutting tools designed for creating through and blind holes of various diameters and depths in solid materials. They are utilized with power drills, rotary hammers, impact drivers, and drill presses. The lineup includes twist drills, spade bits, step drills, and center bits, as well as annular cutters, hole saws, and masonry core bits. For metalworking, bits are manufactured from high-speed steel (HSS), often enhanced with cobalt or titanium coatings; for woodworking, brad-point bits are standard; for concrete, brick, and stone, percussion masonry bits and core bits feature tungsten carbide or diamond-tipped segments. Hole saws and core bits are specifically used to efficiently extract large-diameter cores for electrical outlets, plumbing pipes, and ventilation ducts. Critical selection criteria include the target material, shank design (straight, hex, SDS-Plus, or SDS-Max), cutting diameter, working length, and specific coolant or lubrication requirements.