Core Bits
  • Drilling in reinforced concrete for the purpose of wiring and piping for air-conditioning, elecxtricity, telephone, gas and water supply, etc.
  • Sampling of test core for concrete, rock and stone.
  • Drilling of base holes for guardrail, fence post,and resin anchor in concrete,rock-bed,etc.
  • Drilling in stone, refractory bricks and ceramics,etc
  • Drilling in reinforced concrete structure, asphalt road and concrete producrs.
  • Special spec is also welcomed.
SPEC 1" 1.25" 1.5" 2" 2.5" 3" 3.5" 4" 5"
O.D 27.3mm 33.1mm 53.2mm 53.2mm 64.7mm 77.2mm 89.9mm 110mm 127.5mm
I.D 21mm 26mm 46mm 46mm 57mm 70mm 84mm 100mm 120mm

SPEC 6" 7" 8" 9" 10" 12" 14" 16"  
O.D 160mm 180.5mm 205mm 230mm 253.5mm 306mm 353mm 404mm  
I.D 150mm 170mm 195mm 220mm 240mm 295mm 340mm 390mm  

  Extension Rods:


  • L:100mm
  • L:200mm
  • L:300mm
  • L:500mm
Spindle adapters:
1/2 " BSP to 1 1/4" UNC Other dimensions are also available

  Tools & Pump
Model Max. High
MPBS-100 6M
MPBS-100A 7M
MPBS-1001 6M
TPBS-1001A 9M