Technical Specification Confirmation
PROCUREMENT & SUPPLY DECISION RECORD
Ref: ACG-SPEC-MQEM1CY4  ·  Generated: 15 Jun 2026
ACG AgaCanGroup
sales@agacaninvestment.com
agacangroup.com
Dormer HSS Drill Bit, 8.3mm Head, 3 Flute(s), 90°, 1 Piece(s)
Dormer
Dormer HSS Drill Bit, 8.3mm Head, 3 Flute(s), 90°, 1 Piece(s)
Part No.
G5708.3
Procurement Intelligence
Dormer HSS countersink drill bit, 8.3mm head diameter with 90° angle for creating conical recesses in fastener applications. This is a 3-flute design with 6mm shank suitable for manual or machine drilling in steel/materials. Verify shank diameter compatibility with your chuck or collet before procurement.
Countersinking fastener holes
Before ordering — verify:
☐ HSS material durability
☐ 90° angle specification
☐ Shank-to-chuck fit
Technical Specifications
Drill Bit TypeCountersink
Head Diameter8.3mm
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-8-3mm-head-3-flute-s-90-1-piece-s?mal=66275af812f5f0d90d9b2518
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.