Technical Specification Confirmation
PROCUREMENT & SUPPLY DECISION RECORD
Ref: ACG-SPEC-MQEI080Z  ·  Generated: 15 Jun 2026
ACG AgaCanGroup
sales@agacaninvestment.com
agacangroup.com
Dormer HSS Drill Bit, 10.4mm Head, 3 Flute(s), 90°, 1 Piece(s)
Dormer
Dormer HSS Drill Bit, 10.4mm Head, 3 Flute(s), 90°, 1 Piece(s)
Part No.
G10610.4
Procurement Intelligence
This is a Dormer HSS countersink drill bit from their standard high-speed steel tooling line, designed for creating conical recesses in metal and composite materials for countersunk fastener installation. Critical verification: confirm the 6mm shank diameter is compatible with your machine tool collet or chuck to prevent slippage and ensure proper cutting performance.
Metal countersunk hole preparation
Before ordering — verify:
☐ Shank compatibility verification
☐ HSS tool life expectancy
☐ 90° angle application fit
Technical Specifications
Drill Bit TypeCountersink
Head Diameter10.4mm
Countersink Angle90°
Number Of Flutes3
MaterialHSS
Overall Length50 mm
Shank Diameter6 mm
Number of Pieces1
ACG Industrial & Infrastructure Solutions
Kampala, Uganda  ·  Malatya, Turkey
http://agacangroup.com/product/mechanical/power-tools-soldering-welding/drill-bits-parts/countersinks/dormer-hss-drill-bit-10-4mm-head-3-flute-s-90-1-piece-s?mal=66275ad712f5f0d90d9abb76
This document confirms the above specification is available in the ACG Industrial catalogue. Pricing and availability on request. Forward to your procurement team to initiate an RFQ.