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Pencil & Die Grinders

When you need to dress back intricate edges, cut outs or the surface of a laminate or sandwich panel, these tools are the most effective for fine and intricate operations.

All these kits are supplied with a selection of diamond burrs that are suited to grinding a range of thermoset composite materials.

The extracted tools are very effective at dust capture at source to make for a clean working environment.

If you would like to know how to use these tools most effectively, our course DMSC57 covers all you need to know

DMP0141
Pencil Grinder Kit

This tools is extremely effective for fine material removal and detailing operations.

  • 74W / 0.1hp air motor with large precision bearings to ensure longer tool life and reduced servicing
  • Low collet run out to minimise vibration and ensures high-quality grinding
  • Variable speed up to 60,000 rpm
  • Adjustable speed dial
  • One touch push button on/off operation
  • On/off button independent from speed dial allowing ‘Stay set’ speed control
  • 1.5m / 5’ long light weight compressed air line with male hi-flow airline connector
  • 0.3m / 12” over-hose exhaust to direct air away from operator and work
  • Ergonomic, non-slip, tactile grip is insulated for comfortable use
  • Easy accessory change and collet tightening with through hole spindle lock
  • 1/8” and 3mm collets
  • Set of 20 diamond burrs, with a range of profiles, suitable for use with composites
  • Set of 4 diamond discs with mandrel
  • Male hi-flow airline connector
While we update our website, please contact us for latest prices.
Composite Pencil grinder kit
Prices stated are our discounted Payment on Order/Website Prices.  List prices are between 5-9% higher.

DMP0143
Pencil Grinder Kit with Vacuum Shroud

Specification as the DMP0141 kit above with the addition of a vacuum system for effective dust removal at source, including:

  • A flexible and trimmable vacuum shroud at the tool head
    • Conductive vacuum tube
    • Vacuum swivel joint providing freedom of movement

While we update our website, please contact us for latest prices.
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DMP0135
Straight Die Grinder kit

Fine & detailed material removal from edges, cut-outs and surfaces

Ideal for dust free grinding of vertical, sloped and horizontal surfaces and edges and is suitable for production and on-site grinding activities.

The diamond burrs combined with the vacuum shroud provides dust free grinding operations with dust capture at source when combined with our portable dust extractors.  The vacuum shroud supplied can be trimmed back to suit the parts being worked.


  • 298W / 0.4hp air motor with gearless design to extend life and minimise servicing
  • Variable speed up to 25,000 rpm
  • Lever control with safety lock
  • Supported vacuum swivel joint providing freedom of movement
  • Swivel airline joint and male hi-flow airline connector
  • Trimmable vacuum shroud to suit head and part
  • 1/4” & 6mm collets
  • Set of 20 diamond burrs, with a range of profiles, suitable for use with composites

While we update our website, please contact us for latest prices.
Straight die grinder for composites
Prices stated are our discounted Payment on Order/Website Prices.  List prices are between 5-9% higher.

DMP0136
Angle Die Grinder Kit

Fine & detailed material removal from edges, cut-outs and surfaces

Ideal for dust free grinding of vertical, sloped and horizontal surfaces and edges and is suitable for production and on-site grinding activities.

The diamond burrs combined with the vacuum shroud provides dust free grinding operations with dust capture at source when combined with our portable dust extractors.  The vacuum shroud supplied can be trimmed back to suit the parts being worked.


  • 298W / 0.4hp air motor with gearless design to extend life and minimise servicing
  • Variable speed up to 25,000 rpm
  • Lever control with safety lock
  • Easy to control right angle drive
  • Supported vacuum swivel joint providing freedom of movement
  • Swivel airline joint and male hi-flow airline connector
  • Trimmable vacuum shroud to suit head and part
  • 1/4” & 6mm collets
  • Set of 20 diamond burrs, with a range of profiles, suitable for use with composites
While we update our website, please contact us for latest prices.
Angle die grinder for composites

DMP0140
Belt & Disc Sander/Die Grinder/Drill Kit

Belt Sander
A versatile belt sander that has variable speed and can be used for quick and aggresive material removal through to fine finishing of edge of parts for laminate and sandwich panels.

The silica carbide abrasive belts allow agressive material removal from edges.  The surface conditioning belts allow for blending and edge finishing depending on the grade used.

Die Grinder

The belt drive can be removed and fitted with the die grinding head
included in the kit to turn the tool into a right angled die grinder that can be used with diamond burrs for material removal.

Disc Sander
When fitted with the 50mm/2" roloc holder also provided in the kit, it becomes a versatile disc sander
ncluded in the kit to provide a highly versatile tool.

High Speed Drill

The belt drive
can be removed and fitted with the drill chuck included in the kit to turn the tool into a high speed, low torque drill that is suited to drilling holes up to 6mm / 1/4" in diameter with no de-lamination.


  • Flexible tool suited for coarse to fine material removal from edges and surfaces and drilling of small holes
  • Variable speed up to 25,000 rpm
  • 450mm / 18” belt sander with set of 3 contact arms suitable for use with 6, 12 & 19mm (1/4”, 1/2” & 3/4”) wide belts
  • Easy to control right angle drive
  • Swivel airline joint and male hi-flow airline connector
  • Selection of abrasive belts and surface conditioning belts suitable for use with composites
  • Die grinding head with ¼” and 6mm collets
  • 50mm / 2" Roloc disc holder
  • Selection of abrasive discs and surface conditioning discs suitable for use with composites
  • 10mm keyless chuck for high speed, low torque drilling

While we update our website, please contact us for latest prices.
Sanding & grinding composites
Prices stated are our discounted Payment on Order/Website Prices.  List prices are between 5-9% higher.

If you would like to know how to use these tools most effectively, our course DMSC57 covers all you need to know
UPCOMING COURSES


27th Feb - 3rd March 2023 - DMSC61

6th-10th March 2023 - DMSC58

27th - 31st March 2023 - DMSC53

15th -19th May 2023 - DMSC51

12th - 16th June 2023 - DMSC60

click here for composite training  information

dark matter composites ltd
Tel/Fax:  +44 (0)1582 791001
email: 
info@darkmattercomposites.co.uk
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