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Cylindrical 4.25 in diamond core bit with 14 in drilling depth and 3.15 in saw blade

VEVOR

VEVOR 4.25" Wet Diamond Core Drill Bit 14" Depth 3.15" Saw Blade 1-1/4"-7 Thread

SKU CH-KPHV-F240H

Wet diamond core bit drills 14 in deep in concrete and brick, includes 3.15 in diamond saw blade, 1-1/4"-7 thread

  • TypeOther Appliances
  • Width4.72
  • Universal 1-1/4"-7 thread fits standard core rigs for quick setup
  • Wet cutting with water cooling reduces dust in enclosed workspaces
  • Included 3.15 in diamond saw blade handles separate cutting tasks
  • Laser-welded diamond grit head on carbon steel resists wear for long life
  • Drills 14 in deep cores in reinforced concrete, brick and foam brick

Universal 1-1/4"-7 Thread Core Drill Bit

The VEVOR 4.25 in wet diamond core drill bit fits standard core drilling rigs via its 1-1/4"-7 inner thread. It is built for professionals and contractors who need to bore 108 mm diameter holes up to 355 mm deep in reinforced concrete, red brick, foam brick and similar masonry.

Wet-Only Cutting with Water Cooling

This bit operates exclusively with water lubrication to suppress dust, making it suitable for indoor or enclosed workspaces where airborne silica must be minimised. The wet requirement means a continuous water supply and compatible rig are mandatory; dry cutting is not supported and will damage the diamond segment.

Laser-Welded Carbon Steel Body

Laser welding bonds the diamond grit to the high-carbon steel barrel for wear resistance and extended service life. The 80 mm diamond saw blade supplied in the kit handles secondary cutting tasks without a separate purchase. At 6.7 lbs and 470 mm overall length, the assembly balances rigidity with manageable weight for hand-guided or stand-mounted operation.

Highlights

  • Universal 1-1/4"-7 thread fits standard core rigs for quick setup
  • Wet cutting with water cooling reduces dust in enclosed workspaces
  • Included 3.15 in diamond saw blade handles separate cutting tasks
  • Laser-welded diamond grit head on carbon steel resists wear for long life
  • Drills 14 in deep cores in reinforced concrete, brick and foam brick

Specifications

TypeOther Appliances
Width4.72

Questions about this item

Which version should I pick if I need a 4.25 inch diameter and 14 inch drilling depth?

This model has a fixed 4.25 inch diameter and a 14 inch maximum core depth, so there is no alternative version to choose from.

What does the 14 inch drilling depth mean when I am cutting reinforced concrete?

It means you can extract a core up to 14 inches deep in a single pass, provided the rig has enough travel and water supply is maintained.

What does the 1-1/4"-7 inner thread limit in practice?

The thread fits standard core drill rigs and water drills with a matching 1-1/4"-7 male spindle, so the bit is limited to machines using that exact thread size.

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