FEIN 63901083010 VARIO 90° taper countersink 31 mm M14

Name: FEIN 63901083010 VARIO 90° taper countersink 31 mm M14
Brand: FEIN
SKU: 08118084
Price: 69.95 EUR
Availability: InStock

Supplier number: FEIN 63901083010 | EAN 4014586476896

Recommended Retail Price €89.78

69.95 tax incl.

€57.81 excl. VAT (incl. all environmental contributions)

On stock - immediately available | we have 3 products in stock.

Ordered before 20:00 - delivered as of 01/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Delivered from Belgium

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Clean countersinking with Fein precision

Practical benefits

Heat resistant TiAlN coating: The specialized TiAlN coating withstands temperatures up to 800 °C, extending tool life across demanding metal applications.
Engineered for impact drivers: Optimized cutting geometry absorbs high impact rates smoothly so you can chamfer tough steel without chatter.
Accurate seating for M14: A 31 mm diameter combined with a 90° angle ensures flush screw head alignment in pre-drilled holes.

In a nutshell

The right choise for

Countersink and deburr pre-drilled holes in sheet metal and steel cleanly with the Fein vario countersink bit. Its 31 mm diameter and 90° countersink angle deliver flush, professional seating for M14 countersunk fasteners. Built from durable hss and shielded by a heat-resistant TiAlN coating that withstands up to 800 °C, the cutting edges maintain their sharpness through heavy-duty metal fabrication. The optimized cutting geometry easily absorbs high impact rates from impact drivers, ensuring chatter-free chamfering without snagging. Featuring a standard 1/4-inch external hexagon shank, this bit slots effortlessly into standard bit holders and cordless drills, allowing you to tackle on-site assembly and maintenance without specialized chucks.

Product information FAQ

€69.95

In stock - tax incl.

Key features according to our expert

Large diameter: 31 mm
Shank size: 1/4 inch
Shank type: External hexagon
Countersink angle: 90 °

Product description

VARIO 90° taper countersink bit 31.0 mm (M14)
Long service life, thanks to high material strength (64 HRC), special cutting geometries suitable for impact screwdrivers and a TiAlN (titanium-aluminium-nitride) coating. The accessories are low-wear and low-friction as well as heat-resistant up to 800 °C and can therefore be used with high turning and impact frequencies in steel up to 900 N/mm2. Optimally suitable for the following materials: unalloyed and alloyed steels up to 900 N/mm², aluminium, brass.

All Features

Large diameter: 31 mm
Shank size: 1/4 inch
Shank type: External hexagon
Countersink angle: 90 °
ø: 31 mm
L: 71 mm
Strength: 64 HRC
Tool holder: VARIO bit shank
Coating: Titanium-aluminium nitride (TiAlN)
Material: HSS
Heat resistance: max. 800°C

Brand FEIN
08118084
EAN 4014586476896
Supplier number FEIN 63901083010

Frequently asked questions about this product

Answered by specialists

What are the diameter and countersink angle of this bit?: This countersink bit has a maximum diameter of 31 mm and a countersink angle of 90°.
Which screw size is this countersink bit designed for?: This bit is designed for countersinking and deburring holes for M14 screws.
What shank connection does this countersink bit have?: The bit features an external hexagon shank with a standard 1/4-inch size.
What material is this countersink bit made of?: It is manufactured from high-quality HSS (high-speed steel) for high durability.