Blow out pump full length view showing plunger and hose | CMT Group UK
Blow out pump full length view showing plunger and hose | CMT Group UK

Blow out pump used to clear dust and debris from drilled holes before installing chemical or mechanical anchors.

  • Hand operated, manual pump
  • Plastic construction
  • For holes 10mm and above
  • Max hole depth 250mm
  • Suitable for chemical and mechanical anchors
  • Approximately 300mm length

Blow Out Pump - Hole Cleaning Pump For Chemical and Mechanical Anchors

Code
BOP01
10+ In Stock

Blow out pump used to clear dust and debris from drilled holes before installing chemical or mechanical anchors.

  • Hand operated, manual pump
  • Plastic construction
  • For holes 10mm and above
  • Max hole depth 250mm
  • Suitable for chemical and mechanical anchors
  • Approximately 300mm length
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10+ In Stock

Blow Out Pump - Hole Cleaning Pump 

Blow out pump built to clear dust and debris from a drilled hole before installing chemical anchor resin or a mechanical anchor. Hand operated and made from durable plastic, it's suited to holes 10mm in diameter and above, up to a maximum depth of 250mm. Used as part of the standard hole preparation sequence alongside a wire cleaning brush.

How a blow out pump completes the hole cleaning sequence

Brushing a hole loosens dust and debris from the hole wall, but brushing alone doesn't remove it, the loosened material can simply resettle inside the hole. Left in the hole, that dust coats the surface and weakens the bond between the resin, or the mechanical anchor's expansion mechanism, and the base material. A blow out pump forces air into the hole to physically expel the loosened dust, completing the blow-brush-blow sequence that manufacturer installation instructions typically call for.

Key Features

  • Manual pump action: Forces air into the hole in a single plunge, no compressor or power source needed

  • Plastic construction: Durable and lightweight for repeated site use

  • Hole diameter 10mm and above: Suits a wide range of common chemical and mechanical anchor hole sizes

  • Maximum depth 250mm: Covers deep embedment holes as well as shallow fixings

  • Dual anchor compatibility: Suited to hole preparation for both chemical (resin) anchors and mechanical anchors such as drop-in and expansion types

  • Compact, portable design: Easy to carry and store in a site van or tool bag

Who is this for

Trades and roles:

  • Groundworkers and steel fixers

  • Site installers

  • Merchant counter staff

Industries:

  • Civil engineering

  • Structural construction

  • Builders' merchants and trade counters

 Specifications

Specification Detail
Product Name Blow Out Pump - Hole Cleaning Pump For Chemical and Mechanical Anchors
Product Code BOP01
Brand JCP
Product Type Blow Out Pump
Material Plastic
Operation Hand operated, manual
Hole Diameter Compatibility 10mm and above
Maximum Hole Depth 250mm
Suitable For Chemical (resin) anchors and mechanical anchors
Overall Length Approximately 300mm

Compatibility

Application or condition Status
Chemical (resin) anchor hole preparation ✓ Compatible
Mechanical anchor hole preparation (drop-in, expansion) ✓ Compatible
Holes 10mm diameter and above ✓ Compatible
Holes up to 250mm depth ✓ Compatible
Holes below 10mm diameter ✗ Not designed for
Holes deeper than 250mm ✗ Not designed for

 

Typical Users and Projects

Groundworkers and steel fixers preparing drilled holes before installing chemical anchor resin or mechanical anchors. Site installers use it as a standard step in any anchor installation, working alongside a wire cleaning brush. Builders' merchants and trade counters stock it as a companion item alongside chemical anchor resin, mixer nozzles and cleaning brushes.

Typical applications

  • Clearing dust from holes before chemical anchor resin injection

  • Clearing dust from holes before installing mechanical anchors such as drop-in or expansion types

  • Repeat use across multiple holes on a single installation run

  • Removing debris after drilling in concrete, masonry or natural stone

  • Companion tool alongside a wire cleaning brush during hole preparation

  • Stocking at builders' merchant counters alongside resin cartridges and accessories

How to use

Step 1: Drill the hole to the correct diameter and depth for the anchor being installed.
Step 2: Insert the pump nozzle into the hole and plunge to blow out loose debris.
Step 3: Insert the wire cleaning brush and work it in and out to scrub the hole wall.
Step 4: Blow the hole clear again with the pump.
Step 5: Repeat the blow and brush sequence three to four times, or until the hole is visibly clear of dust.
Step 6: Proceed with resin injection or anchor installation following the manufacturer's instructions.

Common mistakes

  • Using the pump alone without brushing: blowing loosens some debris but brushing is needed to dislodge dust bonded to the hole wall

  • Using it on holes outside the 10mm to 250mm depth range: performance outside the confirmed specification isn't guaranteed

  • Blowing only once: a single plunge often isn't enough, the full blow-brush-blow sequence should be repeated three to four times

  • Skipping hole preparation entirely: assuming a clean-looking hole doesn't need clearing risks weakening the anchor bond

Safety

Wear eye protection when blowing out a hole, dust and debris are expelled during use. No specific hazards beyond standard site dust precautions apply to this pump itself.

Maintenance

Keep the pump clean and dry between uses. Check the plunger mechanism moves smoothly before each use.

Frequently Asked Questions

Q: What is a blow out pump used for?
A: A blow out pump clears dust and debris from a drilled hole before installing a chemical anchor resin or a mechanical anchor. It works by forcing a plunge of air into the hole, physically expelling loosened material that brushing alone doesn't remove. This is a standard step in the hole preparation sequence recommended by chemical anchor resin manufacturers.

Q: How does a blow out pump fit into the hole cleaning sequence?
A: Chemical anchor resin installation instructions typically call for an alternating blow, brush, blow, brush, blow sequence, repeated three to four times or until the hole is visibly clear of dust. The blow out pump handles the blowing steps, expelling debris the brush has loosened, while a wire cleaning brush handles the brushing steps. Both tools are normally used together, not as alternatives to each other.

Q: What is this pump NOT suitable for?
A: This pump is designed for holes 10mm in diameter and above, up to a maximum depth of 250mm, holes outside this range aren't covered by its confirmed specification. It's a manual hole preparation tool only, it doesn't replace the brushing step in the cleaning sequence, both are normally needed together.

Q: Can this pump be used for mechanical anchors as well as chemical anchors?
A: Yes. It's suited to hole preparation for both chemical (resin) anchor installation and mechanical anchors such as drop-in and expansion types. Many blow out pumps on the market are positioned for resin use only, this one covers both anchor types.

Q: What hole sizes does this pump work with?
A: It's designed for holes 10mm in diameter and above, with a maximum depth of 250mm. For holes outside this range, check the specific pump or tool rated for that size before use.

Q: Does this pump need any maintenance?
A: No specific maintenance is required. Keep it clean and dry between uses, and check the pump mechanism operates smoothly before each use.

CMT Equipment Ltd