Product illustration: QZ-BZ-CB01 Vacuum Brazed Core Drill Bit & Finger Profile Bit
QZ-BZ-CB01Illustration; refer to catalog for structure
Brazed & Electroplated Tools / QZ-BZ-CB01

Vacuum Brazed Core Drill Bit & Finger Profile Bit

Wax-filled core bits for countertop drilling; confirm dry-use conditions, machine fitment and hole quality on the target material.

QZ codes are site reference IDs for selection, not manufacturer model numbers from the original catalog.

Materials
Sintered Stone / Granite / Ceramic & Tile / Quartz Stone
Working condition
Wet / dry working
01 / THE TOOL

Tool & application

Catalog Page 11 lists wax-filled vacuum-brazed core bits and finger bits. Trial dry drilling only with a compatible machine and target material; verify hole quality and operating limits before use.

Matched equipment

  • Angle Grinder (Direct M14 or 5/8"-11 spindle)
  • Bench Drill (Hex shank adapter)

Structure & features

  • Internal cooling wax supports dry drilling; verify edge condition on the target slab.
  • Check entry and exit hole quality before confirming gasket fit.
02 / SPECIFICATIONS

Listed specifications

For preliminary selection. Cross-check dimensions against the source catalog below and confirm full technical documentation before ordering.

#DiameterHeightConnectionInquiry
01Φ20mm - 35mm (盆口/水龙头孔)工作层高 10mm / 总长 60mmM14 / 5/8"-11
02Φ40mm - 68mm (下水管排污孔)工作层高 10mm / 总长 60mmM14 / 5/8"-11
03Φ20mm 异形仿形铣刀 (Finger Bit)侧面全钎焊层长 40mmM14 / 1/2" 气动接口

Final dimensions, interfaces and supply specifications are subject to confirmed technical documentation and quotation.

03 / BEFORE YOU START

Customization & use

Customizable scope

Custom diameters from Φ6mm to Φ120mm; Hex or straight shank; custom router bevels.

Operating guidance & limits

Start at a 45° angle to create a guide notch, then slowly swivel upright. Never use hammer drill mode!

04 / BUYER QUESTIONS

Selection questions

Is this tool for wet or dry use?
This item is listed for wet or dry use; confirm the machine, tool markings, and technical documentation for the actual job.
Which sizes are listed?
Listed sizes: Φ20mm - 35mm (盆口/水龙头孔), Φ40mm - 68mm (下水管排污孔), Φ20mm 异形仿形铣刀 (Finger Bit). Compare with original catalog page 11. Final dimensions and availability depend on confirmed technical documents and quotation.
How should fitment be confirmed?
Listed connections: M14 / 5/8"-11, M14 / 1/2" 气动接口. Provide machine model, arbor or connection dimensions, pin-hole drawing, and permitted RPM. Confirm fitment against the agreed drawing.
What information is needed for customization or a quote?
Share the material, machine, target dimensions, wet/dry conditions, estimated quantity, and current issue. Customization scope: Custom diameters from Φ6mm to Φ120mm; Hex or straight shank; custom router bevels. Availability, MOQ, samples, and lead time are confirmed per inquiry.
05 / ORIGINAL CATALOG

Catalog source

Source: Hubei Qianzhao Diamond Tools Co., Ltd. original catalog, page 11. ADAMA CUT is its overseas business brand.

Open source catalog PDF
View original scan — page 11Hubei Qianzhao Diamond Tools source catalog page 11