Hanwin Glass Technology
HANWINGLASS TECHNOLOGY
Section 04 · Drill Bits Series

Unitary Drill Bits — Class A (C-4)

Sintered diamond drill bits — flagship products with fully automated production

Grooves and water-cooling holes, suitable for medium boring requirements. Diamond drill bits in Class A, AA and B grades, plus brass bits, countersink rings and auto glass drill bits — all customizable.

Unitary Drill Bits — Class A (C-4)
Drill Bits Series
Unitary Drill Bits — Class A (C-4)
14
Products
C-1 to C-14
Configurations
A / AA / B
Classes
4–165mm
Diameter Range
Available Products

Products within Drill Bits Series

Diamond drill bits in Class A, AA and B grades, plus brass bits, countersink rings and auto glass drill bits — all customizable.

Custom specifications, packaging and volumes are available on request. Contact our sales team for samples, technical data sheets and distributor pricing.

Applications

Where Drill Bits Series is used

Thick Glass Drilling

Class B drill bits for glass 6mm and thicker, cost-effective with stable performance.

Medium Boring

Class A bits with grooves and water-cooling holes for medium precision requirements.

High-Precision Drilling

Class AA grind-free drills, sharpest available, popular in Western European markets.

Countersinking

Countersink rings and combined drill-countersink tools for recessed fitting profiles.

Why This Range

Key benefits of Drill Bits Series

Fully Automated Production

Produced on automated lines for extremely stable quality.

Continuous Improvement

New formulas constantly explored for sharpness, service life and drilling performance.

Customizable

Special customization requests accepted to meet customer needs.

Three Quality Tiers

Class B (cost-effective), Class A (balanced) and Class AA (premium) to match requirements.

FAQ

Common Questions

Everything you need to know about drill bits series.

Grooves and water-cooling holes, suitable for medium boring requirements. Diamond drill bits in Class A, AA and B grades, plus brass bits, countersink rings and auto glass drill bits — all customizable.

Unitary Drill Bits — Class A (C-4) is used for thick glass drilling, medium boring, high-precision drilling, countersinking. Sintered diamond drill bits — flagship products with fully automated production

Submit an enquiry mentioning Unitary Drill Bits — Class A (C-4), your quantities and delivery region. Our distribution team responds within 24 hours with pricing, samples and technical data sheets.

Enquiry

Request a Quote

Tell us which products you need, the quantities, and your delivery region — we'll respond within 24 hours.

Contact Information

Phone / WhatsApp
+8613811216915 · +8613811216915
Email
info@hanwinglasstech.com
Location
RM519, West Tower, Donggang Xingzuo Building, Shunyi District, Beijing, China

Distributor & OEM enquiries welcome

This catalogue is prepared for our international distribution partners across Asia and the Middle East. Include your product family, quantities and delivery region for a faster response.

Section 04Grinding Tools & Hardware

Ready to stock drill bits series?

Contact our distribution team for pricing, samples, technical data sheets and delivery schedules across Asia and the Middle East.