Technical Specification Confirmation
PROCUREMENT & SUPPLY DECISION RECORD
Ref: ACG-SPEC-MQEMZUAL  ·  Generated: 15 Jun 2026
ACG AgaCanGroup
sales@agacaninvestment.com
agacangroup.com
Dormer HSS-E Drill Bit, 16.5mm Head, 3 Flute(s), 90°, 1 Piece(s)
Dormer
Dormer HSS-E Drill Bit, 16.5mm Head, 3 Flute(s), 90°, 1 Piece(s)
Part No.
G10716.5
Procurement Intelligence
Dormer HSS-E countersink drill series for precision hole preparation. This 16.5mm 90° countersink with 3 flutes is installed in drilling operations to create beveled seating surfaces for fasteners. Critical verification: confirm 6.35mm shank diameter compatibility with your machine spindle and collet system.
Fastener countersinking operations
Before ordering — verify:
☐ Spindle speed capacity
☐ Coolant compatibility
☐ Shank grip availability
Technical Specifications
Drill Bit TypeCountersink
Head Diameter16.5mm
Countersink Angle90°
Number Of Flutes3
MaterialHSS-E
Overall Length50 mm
Shank Diameter6.35 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-e-drill-bit-16-5mm-head-3-flute-s-90-1-piece-s?mal=66275afc12f5f0d90d9b2fa2
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.