DREMEL ACCESSORY 442 (2 BRUSHES)

The Dremel 422 is a felt polishing bit for rotary tools, designed for the polishing and surface finishing of metals, plastics and other materials. Its compact profile and felt construction also make it suitable for cleaning details, holes or hard-to-reach surfaces, and it can be used with or without polishing compound to obtain a smooth, shiny surface.

Technical data:

• Type: felt polishing bit/cylinder for rotary tools

• Model: Art. 422

• Working diameter: 10 mm

• Shank diameter: 3.2 mm (standard mandrel)

• Material: abrasive polishing felt

• Shape: polishing cone/cylinder

• Recommended maximum operating speed: up to 20 000 rpm

• Compatibility: Dremel type rotary tools with a 3.2 mm chuck (use with a suitable pin/clamp)

Technical applications:

• Polishing of ferrous and non-ferrous metals (steel, brass, aluminium, silver, etc.)

• Finishing and polishing of plastics and perspex after abrasive operations

• Cleaning of details, corners and holes thanks to the conical shape

• Use with or without polishing compound/paste to obtain different finishes

The Dremel Art. 425 is a pressed felt polishing disc designed for rotary tools, ideal for achieving glossy, refined finishes on metals and plastic materials. It is intended for use with polishing compound and other polishing discs to obtain a brilliant result on machined surfaces.

Technical data:

• Type: felt polishing disc for rotary tools

• Model: Art. 425

• Working diameter: 22.5 mm (≈ 2.25 cm)

• Shank diameter: 3.2 mm (standard mandrel)

• Material: abrasive polishing felt

• Shape: circular disc

• Compatibility: Dremel rotary tools and multi-tools with a 3.2 mm chuck

• Recommended maximum operating speed: up to approx. 20 000 rpm

• Mounting: by means of a mandrel/clamp suitable for polishing wheels

Technical applications:

• Polishing of metal surfaces such as steel, brass, copper, aluminium and stainless steel for a brilliant effect.

• Surface finishing of hard plastics after grinding and sanding.

• Use with polishing compound to obtain a higher level of shine on machined surfaces.

The Dremel 426 is a fibreglass-reinforced abrasive cutting disc for rotary tools, designed for straight cuts and slots in metal and a variety of other materials. It offers greater strength and durability than basic discs, making it suitable also for harder metals and heavy-duty use compared with standard discs.

Technical data:

• Type: fibre-reinforced abrasive cutting disc

• Model: Art. 426

• Quantity: packs available of 1 or 5 discs (variants available)

• Working diameter: 32 mm

• Disc thickness: approx. 1.1 mm

• Shank diameter: 3.2 mm (standard mandrel)

• Abrasive material: aluminium oxide with fibreglass reinforcement

• Maximum operating speed: up to 35 000 rpm

• Max cutting depth: approx. 14 mm

• Mounting: with screw mandrel (pin) type 402

• Use: cutting along the edge only of the disc

Workable materials:

• Ferrous and non-ferrous metals, including hardened steel, aluminium, copper, brass, stainless steel

• Thin wood, plastic, plasterboard, light marble and brick (short cuts)

Technical applications:

• Making straight cuts and slots in metal, sheet metal and sections

• Cutting bolts, screws or metal bars with control and precision

• Cuts in composite or plastic materials during repair or modification work

The Dremel 402 is a mandrel (screw pin) for rotary tools, designed for mounting cutting discs, polishing discs and other centre-hole accessories on Dremel multi-tools. It is one of the basic accessories required to use various discs and finishing wheels correctly with the tool.

Technical data:

• Type: mandrel / accessory mounting pin

• Model: 402

• Shank diameter: 3.2 mm (1/8″) – standard for Dremel rotary tools

• Material: hard-wearing metal

• Shape: pin with slotted screw head for tightening with a flat-blade key

• Maximum operating speed: up to 35 000 rpm

• Quantity: 4 pieces

• Compatibility: rotary multi-tools Dremel and other compatible with 3.2 mm chuck

Main features:

• Accessory fixing: allows you to mount cutting discs, polishing discs and other centre-hole accessories, holding them firmly in place during rotation.

• Slotted screw head: designed to be tightened or loosened with a flat-blade key or the key supplied with many Dremel kits, making accessory changes easier.

• Versatile use: compatible with a wide range of cutting and polishing accessories, including various Dremel cutting discs.

Technical applications:

• Mounting of abrasive cutting discs for operations on metal, wood and composite materials.

• Fixing of polishing discs or finishing wheels for removing micro-scratches or polishing.

• Use as a basic component for operations requiring centre-hole accessories on rotary multi-tools.

The Dremel 429 is a felt polishing disc for rotary multi-tools, designed to achieve polished finishes and smooth surfaces on a variety of materials, with or without polishing compounds. It is one of the largest accessories in the Dremel polishing range, suitable when a particularly bright or smooth surface is required.

Technical data:

• Type: felt polishing disc for rotary tools

• Model: 429

• Working diameter: 26.0 mm

• Shank diameter: 3.2 mm

• Material: abrasive polishing felt

• Shape: circular disc

• Recommended maximum operating speed: 20 000 rpm

• Compatibility: Dremel rotary tools and multi-tools compatible with a 3.2 mm chuck

• Mounting: with threaded mandrel 401 (required for fitting)

Technical applications:

• Polishing and surface finishing of ferrous and non-ferrous metals

• Refining surfaces in plastics and composite materials

• Removal of light machining marks before final polishing

• Preparing surfaces before finishing or painting treatments

The Dremel 7105 is a spherical diamond bit for rotary tools, designed for engraving, sculpting, shaping and material removal on hard or abrasive surfaces. This accessory has a coating of diamond particles that increase its resistance and effectiveness on materials that are difficult to work.

Technical data:

• Type: diamond bit for engraving / carving on hard materials

• Model: 7105

• Shank diameter: 3.2 mm

• Working diameter: 4.4 mm

• Accessory length: approx. 46 mm

• Material: steel with diamond coating for greater hardness and durability

• Shape: spherical bit / diamond disc

• Recommended operating speed: up to approx. 25 000–35 000 rpm (do not exceed the maximum values indicated)

• Compatibility: Dremel rotary tools and multi-tools compatible with a 3.2 mm chuck; does not require an additional chuck

Technical applications:

• Fine engraving and carving on glass, ceramic, porcelain, semi-precious stones

• Shaping and material removal on hardened and hard metals

• Detailed work on wood and other materials that are difficult to work with standard tools

The Dremel 7144 is a conical/pointed diamond bit for rotary tools, designed for engraving, carving, touching up and precision finishing on hard materials. It offers high performance even on surfaces that are difficult to machine thanks to its coating of diamond particles, which ensures rapid material removal and a long service life.

Technical data:

• Type: diamond bit for engraving and carving on hard materials

• Model: 7144

• Shank diameter: 3.2 mm (1/8″)

• Working diameter: 2.4 mm (3/32″)

• Total accessory length: approx. 46 mm

• Material: steel with diamond coating

• Maximum recommended operating speed: up to 25,000 rpm

• Shape: conical / taper bit for detail and precise engraving

• Compatibility: Dremel rotary tools and other multi-tools with a 3.2 mm accessory chuck

Typical applications: detailed engraving and carving on wood, ceramic, glass, hardened metal, semi-precious stones and other hard materials; creation of channels, grooves and fine finishes.

The Dremel 9903 is a tungsten carbide engraving/carving cutter designed for rotary tools with a 3.2 mm shank, used to shape, smooth and remove material from hard surfaces with precision. This accessory is suitable for a wide range of applications on tough materials, delivering high performance even in demanding working conditions.

Technical data:

• Type: tungsten carbide engraving/carving cutter

• Model: 9903

• Shank diameter: 3.2 mm / 1/8″

• Working diameter: 3.2 mm

• Accessory length: approx. 39 mm

• Material: tungsten carbide (highly wear-resistant)

• Shape: rounded/cylindrical tip, ideal for engraving and material removal

• Maximum recommended speed: up to 30 000 rpm

• Compatibility: suitable for rotary tools with a chuck compatible with 3.2 mm accessories

Technical applications:
Engraving, shaping, material removal and detailing work on hard materials such as hardened steel, stainless steel, cast iron, ceramic, glass, plastic and hardwood.

The Dremel 8153 is a cylindrical aluminium oxide grinding stone designed for rotary tools with a 3.2 mm shank fitting, ideal for grinding, deburring and sharpening on a wide range of metallic materials and alloys. The shape and dimensions of the abrasive body also allow it to work effectively on tapered surfaces and irregular profiles.

Technical data:

• Type: grinding stone for general grinding and deburring on metal and ferrous materials.

• Model: 8153.

• Quantity: 1 piece.

• Abrasive material: aluminium oxide.

• Shape: cylindrical.

• Working diameter: 4.8 mm.

• Shank diameter: 3.2 mm.

• Accessory length: approx. 38 mm.

• Recommended maximum operating speed: up to 25 000 rpm.

• Compatibility: for use with Dremel rotary multi-tools and other compatible tools with a 3.2 mm chuck.

Technical applications:

• Sharpening of blades, drill bits and cutting tools.

• Deburring and smoothing of welded joints and castings.

• Removal of rivets, rust and excess material on metal.

• Preparation of metal surfaces before finishing.

The Dremel 7120 is an oval disc diamond abrasive bit designed for Dremel-type rotary tools, specifically for engraving, shaping and removing material on hard or fragile surfaces. It is particularly suitable when precision work is needed on resistant materials such as glass, ceramic or hardened metal, where a traditional cutter would perform less well or wear out quickly.

Technical data:

• Accessory type: diamond bit / abrasive disc for finely detailed engraving and shaping

• Model: 7120

• Working diameter: approx. 6.7 mm

• Shank diameter: 2.4 mm (3/32″) standard Dremel

• Shape: oval diamond disc

• Material: steel with diamond coating

• Maximum recommended speed: up to 25 000 rpm (in some references up to 35 000 rpm)

• Compatibility: Dremel rotary tools and other multi-tools with a 3.2 mm accessory chuck

Technical applications:

• Engraving and shaping of hard surfaces such as glass, ceramic, porcelain

• Detail work on hardened metal and hard steels

• Precision work on thin materials or materials that are difficult to section

• Material removal with greater control than conventional abrasives

The Dremel 430 is a mandrel with abrasive cylinder and abrasive band (60 grit) for rotary tools, designed for sanding, shaping and removing surface finishes on a wide range of materials. The abrasive band can be replaced quickly by loosening the top screw of the mandrel and allows the tool to be adapted to various abrasion operations.

Technical data:

• Type: mandrel with abrasive cylinder and abrasive band

• Model: 430

• Working diameter: 6.4 mm (1/4″)

• Abrasive grit: 60 (coarse)

• Shank diameter: 3.2 mm

• Total length: ~70 mm (approx. 2,75″)

• Abrasive material: aluminium oxide on mandrel band

• Maximum operating speed: up to 35 000 rpm

• Compatibility: Dremel rotary tools and multi-tools compatible with a 3.2 mm chuck

Technical applications:

• Sanding, shaping and deburring of wood and wood-based materials

• Removal of rust or old finishes from metal surfaces

• Preparing surfaces in fibreglass, rubber or plastic before further processing

• Rough shaping of profiles or contours before fine finishing

The Dremel 84922JA is a set of silicon carbide abrasive points for rotary tools with a standard 3.2 mm shank. These small conical points are designed for grinding, deburring and engraving on hard or non-ferrous materials where traditional aluminium oxide points are less effective.

Technical data:

• Type: silicon carbide abrasive points for grinding and deburring

• Model: 84922JA

• Pack quantity: set of 3 pieces

• Working diameter: 4.8 mm

• Shank diameter: 3.2 mm

• Shape: small cone for access to surfaces and details

• Abrasive material: silicon carbide, more durable than aluminium oxide points

• Accessory length: approx. 40 mm

• Recommended maximum operating speed: up to 25 000 rpm

• Compatibility: Dremel rotary tools and multi-tools with a chuck for 3.2 mm accessories

Technical applications:

• Grinding and deburring of hard and brittle materials such as glass, ceramic, porcelain, stone and non-ferrous metals

• Engraving and material removal on uneven surfaces

• Preparation of complex surfaces before finishing

The Dremel 439 is a replacement abrasive cylinder for rotary tools, used in combination with the mandrel and abrasive band to sand, shape and finish various types of surface. The medium grit makes it suitable for material removal and shaping on wood, metal, fibreglass, rubber and other similar materials.

Technical data:

• Type: abrasive cylinder for sanding/shaping

• Model: Item 439

• Working diameter: 9.5 mm

• Shank diameter: 3.2 mm (standard for rotary tools)

• Abrasive grit: approx. 60 (medium)

• Material: abrasive on rotating cylinder

• Shape: abrasive cylinder

• Compatibility: Dremel rotary tools and multi-tools with 3.2 mm mandrel

Technical applications:

• Sanding and material removal on wood, plywood and fibreglass

• Removal of rust or light oxidation from metal surfaces

• Shaping of profiles and surfaces on materials such as rubber and plastic

• Surface preparation before finishing or painting

The Dremel 570 is a tungsten carbide removal bit designed for Dremel-type rotary tools, specifically for removing mortar or cement in the joints between tiles during renovation or maintenance work. It is used with the Dremel 568 accessory (grout removal attachment) to keep the bit centred between the joints and ensure controlled feed.

Technical data:

• Type: tungsten carbide grout / mortar removal bit

• Model: Item 570

• Working diameter: 3.2 mm

• Shank diameter: 3.2 mm

• Accessory length: approx. 58 mm

• Useful working length: approx. 10 mm

• Material: tungsten carbide

• Recommended maximum speed: up to 20,000 rpm (typical use 15–20 000 rpm)

• Compatibility: used with Dremel rotary tools and with the grout removal attachment (mod. 568) for removing mortar between tiles

Technical applications:

• Controlled removal of mortar or cement in the joints between tiles before replacing or repairing broken tiles.

• Preparing joints for regrouting or resealing.

The Dremel 199 is a high-speed cutter (carving/engraving bit) of 9.5 mm for rotary tools, designed for carving, engraving, grooving and material removal in detail work on various materials. It is a versatile accessory for shaping, creating profiles and grooves or making tapered holes, ideal for precision work.

Technical data:

• Type: high-speed cutter for carving/engraving

• Model: 199 / 26150199JA

• Working diameter: 9.5 mm

• Shank diameter: 3.2 mm (1/8″)

• Accessory length: ~39 mm

• Material: high-speed steel (High Speed Steel)

• Recommended maximum operating speed: up to ~30 000 – 35 000 rpm

• Compatibility: Dremel rotary tools and multi-tools with 3.2 mm chuck

Pack quantity:

• 1 × Dremel 199 cutter

Technical applications:

• Shaping and carving of wood, plastic, laminates and similar materials

• Creating grooves, profiles, hollows and tapered holes on flat or curved surfaces

• Engraving and decoration on soft materials