PRODUCT INFO

No.28L T.C.T. Bolt Filling Bit "Large Type"

Counter boring for Hall Down tools, or Square bolt nut

Features

  • For Counter-boring with the guide bar fitted in the drilled hole.
  • Changing the guide bar to the drills, counter boring and pre-hole drilling can be done at one time.

Specifications

Usage Wood
Recommended tool(s) Electric Power Drill
RPm Range Less than 500〜1,000 rpm
Material(s) Guide・Drill:High Carbon Steel
Cutter:High Carbon Steel with T.C.T.
Re-Sharpen Yes(Contact)
Markings

Sizes

No Drill

  • t.c.t. bolt filling bit large type no drill size

  • Size:Guide×Cutter
  • Shank Shape:d
  •  Unit:mm

Product No. Size Shank Shape Qty (Inner Box)
28L-1870 18×70 13 1
28L-1875 18×75
28L-1880 18×80
28L-1885 18×85
28L-1890 18×90
28L-1895 18×95
28L-2170 21×70
28L-2175 21×75
28L-2180 21×80
28L-2185 21×85
28L-2190 21×90
28L-2195 21×95

With Drill

  • t.c.t. bolt filling bit large type with drill size

  • Size:Guide・Drill×Cutter
  • Shank Shape:d
  •  Unit:mm

Product No. Size Shank Shape Qty (Inner Box)
28L-D1870 18×70 13 1
28L-D1875 18×75
28L-D1880 18×80
28L-D1885 18×85
28L-D1890 18×90
28L-D1895 18×95
28L-D2170 21×70
28L-D2175 21×75
28L-D2180 21×80
28L-D2185 21×85
28L-D2190 21×90
28L-D2195 21×95

Assembly

※Click to open expanded view. Press [ESC] to close or click [×] to close.

Guide

  • t.c.t. bolt filling bit large type guide size

  • Size:D
  • Overall Length:L
  • Spiral Length:SL
  • Shank Shape:d
  •  Unit:mm

Product No. Size Overall Length Spiral Length Shank Shape Qty (Inner Box)
28L-G180 18 150 70 13 1
28L-G210 21

Drill

  • t.c.t. bolt filling bit large type drill size

  • Size:D
  • Overall Length:L
  • Spiral Length:SL
  • Shank Shape:d
  •  Unit:mm

Product No. Size Overall Length Spiral Length Shank Shape Qty (Inner Box)
28L-D180 18 280 170 13 1
28L-D210 21

Cutter

  • t.c.t. bolt filling bit large type cutter size

  • Size:D
  • Overall Length:L
  •  Unit:mm

Product No. Size Overall Length Qty (Inner Box)
28L-C700 70 40 1
28L-C750 75
28L-C800 80
28L-C850 85
28L-C900 90
28L-C950 95

Other Assembly

  • Unit:mm

Product No. Name Size Qty (Inner Box)
28-OP1 Screw with Nut 8×15 1
28-OP2 Hex Wrench 4 1

Bits of knowledge

  • Hall Down Bracket is one of the reinforcement tools. These bracket will be necessary to prevent slipping off the pillar from the foundation or from the beam when a earthquake happened or in case of a typhoon. It will be a must bracket when building a 3 storey house.
  • Custom Auger bits can be made to order. (Form)

Help

Pamphlet

  • t.c.t. bolt filling bit large type pamphlet

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