BOK Diamond ToolsFactory Direct Supply Request a Quote
BK-9075 quick-change hex-shank vacuum-brazed diamond core drill in black gold and blue
6-14mmDiameter RangeFive common installation sizes
QuickTool ChangeDouble-groove hex-shank interface
DryEfficient DrillingVacuum-brazed hollow cutting section
OEMWholesale ReadyColor, label and packaging support

Product Overview

BK-9075 Quick-Change Diamond Core Drill

Designed for importers, tool distributors, hardware stores and installation suppliers that need a compact hand-drill solution for clean holes in hard decorative materials.

BK-9075 black gold and blue wholesale finishes
01Tool Importers

Mixed-size quotations and export carton data for repeat purchase programs.

02Hardware Retail

Five-piece sets, size labels and barcode preparation for store-ready stock.

03Online Sellers

Consistent color options and structured product data for marketplace listings.

04OEM Buyers

Private-label packaging and carton marks based on approved artwork.

Engineering Details

Fast Connection Without Compromising the Cutting End

The confirmed product structure combines a short hollow vacuum-brazed cutting section with a slim steel body and double-groove quick-change shank.

  • Porcelain tile
  • Ceramic tile
  • Marble
  • Granite
  • Glass
  • Decorative stone
01Vacuum-Brazed Rim

Exposed abrasive particles form the working surface for efficient hard-material drilling.

02Hollow Core Opening

The tubular cutting end produces a clean circular opening and accepts the drilled core.

03Double Locking Groove

Two clearly machined grooves define the confirmed quick-change shank structure.

04Slim Rigid Body

A straight steel body supports alignment while keeping the tool compact for hand-drill use.

Close-Up Inspection

Critical Areas Shown Before Sample Approval

Buyers can inspect the abrasive working layer, hollow opening and double-groove connection before confirming samples or bulk production.

BK-9075 vacuum-brazed rim and double-groove shank details
BK-9075 vacuum-brazed diamond grit close-up
Cutting AreaShort Abrasive Working Layer

Random exposed diamond particles and a visible hollow opening support fast, controlled drilling.

BK-9075 double-groove quick-change shank close-up
ConnectionTwo Locking Grooves

The two separate grooves and complete hex tip remain visible for order confirmation.

Complete BK-9075 black product structure
Complete ProductOne-Piece Slim Construction

The product is shown at full length so buyers can verify proportion and connection direction.

Technical Data

Clear Size Range for Quotation

Five common diameters are listed for the series. Final length, unit weight, packing quantity and carton data follow the approved order specification.

BK-9075 6 to 14mm size range and quick-change hex shank display
ModelBK-9075
Product
Vacuum-Brazed Diamond Core Drill
Available Diameter
6 / 8 / 10 / 12 / 14mm
Connection
Double-groove quick-change hex shank
Compatible Tool
Cordless drill / electric hand drill
Working Method
Dry drilling; use normal drill mode only
Body Colors
Bright black / metallic gold / metallic blue
Customization
Color, size marking, barcode, set box and carton mark
Operating noteDo not use hammer or percussion mode. Start at a controlled angle, then level the drill after the cutting edge establishes a groove.
Information required for an accurate quotationSize mixQuantityColorPackagingDestination

Application Scenarios

Correctly Installed in a Hand Drill

The double-groove hex end is secured in the drill chuck; the vacuum-brazed hollow end contacts the workpiece.

BK-9075 drilling porcelain tile granite and ceramic with a cordless hand drill
Porcelain TileCeramicMarbleGraniteGlassStone
Operating note

Use eye, hand, hearing and respiratory protection. Secure the workpiece, disable hammer mode and control speed and pressure throughout drilling.

Factory Supply Control

Four Checks Before Packing

B2B orders are checked against the approved sample, size mix, color and packaging requirements.

01Diameter Check

Confirm each size against the approved order specification.

02Abrasive Inspection

Review the exposed diamond layer and visible cutting-end defects.

03Shank Inspection

Check both locking grooves, the complete hex tip and obvious deformation.

04Pack-Out Check

Verify size mix, labels, barcode artwork, quantities and carton marks.

Packaging Options

Prepared for Wholesale and Retail Channels

Choose bulk packing, a mixed five-piece set or private-label retail packaging. Final packing is confirmed against the order quantity and destination.

01Bulk Carton

For distributors and buyers who prepare retail packs locally.

02Five-Piece Set

Common mixed-size assortment for hardware stores and online sales.

03Private Label

Buyer logo, item number, size sticker, barcode and carton mark.

BK-9075 bulk five-piece set and OEM packaging options
1Send RequirementsSize mix, quantity and market
2Confirm SampleStructure, color and drilling test
3Approve ArtworkLabel, barcode and carton mark
4Production and QCInspection against order details
5Packing DataCarton quantity, weight and dimensions

B2B Inquiry

Build a Clear BK-9075 Request

Select the basic order details. The page prepares a professional English inquiry message for the sales team.

Jishan County Boke Diamond Tools FactoryWest of Duanbi Village, Qinghe Town, Jishan County, Yuncheng City, Shanxi Province, ChinaSales contact: +86 137 5398 9893
Inquiry message