Technical Specification Confirmation
PROCUREMENT & SUPPLY DECISION RECORD
Ref: ACG-SPEC-MQEGEKQ9  ·  Generated: 15 Jun 2026
ACG AgaCanGroup
sales@agacaninvestment.com
agacangroup.com
RS PRO HSS Drill Bit, 6.3mm Head, 3 Flute(s), 90°, 1 Piece(s)
RS PRO
RS PRO HSS Drill Bit, 6.3mm Head, 3 Flute(s), 90°, 1 Piece(s)
Part No.
673-8691
Procurement Intelligence
RS PRO HSS countersink drill bit series for precision hole preparation in metalworking. This 6.3mm head, 90° countersink with 3 flutes cuts conical recesses for fastener seating. Critical verification: confirm shank diameter (5mm) compatibility with your chuck before procurement.
Fastener countersinking metalwork
Before ordering — verify:
☐ Chuck compatibility check
☐ HSS material hardness
☐ Single piece quantity
Technical Specifications
Drill Bit TypeCountersink
Head Diameter6.3mm
Countersink Angle90°
Number Of Flutes3
MaterialHSS
Overall Length45 mm
Shank Diameter5 mm
Number of Pieces1
Shank Length35mm
ACG Industrial & Infrastructure Solutions
Kampala, Uganda  ·  Malatya, Turkey
http://agacangroup.com/product/mechanical/power-tools-soldering-welding/drill-bits-parts/countersinks/rs-pro-hss-drill-bit-6-3mm-head-3-flute-s-90-1-piece-s?mal=66275a3d12f5f0d90d98ccce
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.