Which materials is this grinding stone suitable for?

This silicon carbide grinding stone is designed for hard and non-ferrous materials such as stone, glass, ceramics, porcelain, and non-ferrous metals.

What are the dimensions of the grinding head?

The head has a diameter of 4.8 mm, a height of 5 mm, and a tapered spear shape with a rounded cone profile.

What shank size does this accessory use?

The grinding stone features a standard 3.2 mm shank, compatible with a 3.2 mm collet or a Dremel multi-chuck.

How many pieces are included in the package?

The set includes a blister pack with 3 grinding stones of model 84922JA.

DREMEL 84922JA grinding stone silicon carbide spear shape 4.8 mm (3 pcs) - 26154922JA

Name: DREMEL 84922JA grinding stone silicon carbide spear shape 4.8 mm (3 pcs) - 26154922JA
Brand: DREMEL
SKU: 47940383
Price: 10.29 EUR
Availability: PreOrder

Supplier number: DREMEL 26154922JA | EAN 8710364044955

From 1 piece €10.29

From 5 pieces €9.77 - €2.57 saving

From 10 pieces €9.51 - €7.71 saving

From 15 pieces €9.26 - €15.43 saving

10.29 tax incl.

€8.50 excl. VAT (incl. all environmental contributions)

On order: delivered from 14/10/2026

blister

Ordered before 20:00 - delivered as of 14/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Delivered from Belgium

✆ Talk to a specialist

Precise grinding with Dremel

Practical benefits

Tough on hard materials: You effortlessly grind and deburr glass, ceramics, stone, and non-ferrous metals using durable silicon carbide.
Accurate tapered shape: The 4.8 mm cone profile gives you excellent control on both flat and contoured surfaces.
Handy pack of three: With 3 pieces included, you always have a fresh accessory ready to continue your work without delay.

In a nutshell

The right choise for

With the Dremel 84922JA grinding stone, you tackle hard and brittle materials such as glass, ceramics, porcelain, stone, and non-ferrous metals with absolute control. The durable silicon carbide grain delivers precise material removal for detailed grinding, etching, and smoothing tasks where conventional stones struggle. Featuring a 4.8 mm diameter spear-shaped tapered cone with a height of 5 mm, this accessory easily reaches tight internal corners, small openings, and contoured profiles without chipping fragile edges. Fitted with a standard 3.2 mm shank, it mounts quickly into your rotary tool. This convenient 3-piece pack ensures you always have a fresh stone ready to complete your precision projects without downtime.

Product information FAQ

€10.29

tax incl.

Key features according to our expert

Diameter: 4,8 mm
Height: 5 mm
Shank size: 3,2 mm
Shape (grinding point): Rounded cone
Number per blister: 3

Scope of delivery

84922JA, Grindingst. sil.carb. spear shape 4, 8 mm

Product description:

Accessories 84922JA (84922JA, Grinding st. sil.carb. spear shape 4, 8 mm)
Small grinding stone.
Specially designed for grinding or engraving stone, glass, ceramics, porcelain and non-ferrous metals.

Advantages:

These are specially designed for effective processing of stone, glass, ceramics, porcelain and non-ferrous metals.

All Features

Diameter: 4,8 mm
Height: 5 mm
Shank size: 3,2 mm
Shape (grinding point): Rounded cone
Number per blister: 3
Shaft diameter: 3.2 mm
Accessory length: 40 mm
Working diameter: 4.8 mm
Maximum o.p.m.: 25000 rpm
Duration of use: 3

Brand DREMEL
47940383
EAN 8710364044955
Supplier number DREMEL 26154922JA

Frequently asked questions about this product

Answered by specialists

Which materials is this grinding stone suitable for?: This silicon carbide grinding stone is designed for hard and non-ferrous materials such as stone, glass, ceramics, porcelain, and non-ferrous metals.
What are the dimensions of the grinding head?: The head has a diameter of 4.8 mm, a height of 5 mm, and a tapered spear shape with a rounded cone profile.
What shank size does this accessory use?: The grinding stone features a standard 3.2 mm shank, compatible with a 3.2 mm collet or a Dremel multi-chuck.
How many pieces are included in the package?: The set includes a blister pack with 3 grinding stones of model 84922JA.