Diamond Core Drill Bits Manufacturer & Supplier

Wet and dry diamond core bits for concrete, reinforced concrete and masonry

PROTEC supplies diamond core drill bits for professional drilling in concrete, reinforced concrete, brick and stone. We manufacture for contractors and for OEM brands that need consistent diameters, segment height and connection types.

Product range: Wet core bits · Dry core bits · Vacuum-brazed bits · Sintered core bits · Custom diameters and barrel lengths

Applications: Plumbing and electrical openings · HVAC penetrations · Anchor and sampling holes · Renovation and demolition prep

Tell us material, diameter, machine type and wet/dry preference — we will recommend a segment formula and connection.

Technical Specifications (Typical Range)

Diameter	6–300 mm common (custom available)
Connection	1-1/4 UNC / 1/2 BSP / M16 / SDS / custom adapters
Segment Height	7–12 mm typical
Application	Concrete, reinforced concrete, brick, stone
Machine	Handheld drills / core drill rigs
Cutting Method	Wet / dry (by bit design)
Packing	Export carton / private label
MOQ	Depends on diameter and OEM options
OEM	Logo, sleeve and carton available

FAQ

Q: Wet or dry core bits — which should I choose?
A: Wet bits generally last longer on reinforced concrete; dry bits suit jobs where water is restricted.

Q: Can you match my existing adapter / connection?
A: Yes, share the connection type or a sample drawing for OEM matching.

Q: Do you support private-label packaging?
A: Carton, sleeve and logo printing are available for OEM programs.

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PROTEC diamond tools factory