STROVOLT 20.5mm 90° HSS extra-long 3-flute countersink with triangle shank for precision chamfering
Strovolt Countersinks

STROVOLT 20.5 mm 90° HSS Countersink (Extra-Long) — 3-Flute Triangle Shank · STV-C10-NOC-0205

SKUSTV-C10-NOC-0205
Part NumberC10-NOC-0205
ConditionNew
BrandStrovolt

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The STROVOLT HSS Countersink (Extra-Long) (C10-NOC series) is a 90° 3-flute countersink engineered for fast, chatter-free chamfering, deburring and countersunk-screw seating. Ground to the DIN 335 C standard.

The cutting edges and large chip flutes clear material smoothly and resist chatter, while the S-type triangle shank, extra-long holds securely without spinning. Made from HSS-E (super-hard high-speed steel) for high wear resistance and long edge life.

Suitable for steel, stainless steel, aluminium, copper/tin and plastics. Range: Ø6.3 – Ø25 mm, head angle 90°. Manufactured for STROVOLT.

Product Information

SKUSTV-C10-NOC-0205
CategoryCountersinks
BrandStrovolt
Part NumberC10-NOC-0205
MOQ1

Specifications

Head angle 90°
Material HSS-E (super-hard high-speed steel)
Shank type S-type triangle shank, extra-long
Number of flutes 3
Standard DIN 335 C
Head diameter (d1) 20.5 mm
Tip diameter (d3) 3.5 mm
Overall length (L1) 164 mm
Shank diameter (d2) 10 mm
Suitable screw M10 (DIN 7991)

Key Features

Engineered features of this Strovolt product

3 cutting edges
Smooth, chatter-free cutting with large chip flutes for fast stock removal.
HSS-E tool body
High wear resistance and long tool life in production use.
DIN 335 C precision
5-axis CNC ground to a recognised international standard for consistent results.
Triangle (3-flat) shank
Slip-free grip in 3-jaw and drill chucks — no spinning under load.
Multi-material
Works in steel, stainless, aluminium, copper and plastics.

Product Applications

Industries and use-cases this product is built for

Countersinking
Clean 90° seats for countersunk / flat-head screws.
Deburring
Removes burrs from drilled holes in a single pass.
Chamfering
Edge-breaking on plates, profiles, pipe and bar.
Sheet metal & fabrication
Steel, stainless and aluminium fabrication work.
Maintenance & assembly
Bench drills, hand drills and machining centres.

Downloads

Datasheets, manuals and technical resources

STROVOLT Countersinks Datasheet
PDF • 8.4 MB
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STROVOLT 20.5 mm 90° HSS Countersink (Extra-Long) — 3-Flute Triangle …
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