No.5010AT T.C.T. Adjustable Circle Cutter 75

Narrow space and plumbing works


  • Range in size 25mm to 75mm.
  • CLT-28mm thickness.
  • Smooth and speed work by twin-blades.
  • Easy size adjustment without tools.
  • New model of Small diameter Adjustable Circle Cutter.
  • Work for plumbing of sink, bathroom, kitchen in narrow space.


Usage Fiber cement board
Hard wood
Recommended tool(s) Electric Power Drill
RPm Range Less than 1,500 rpm
Material(s) Body:High Carbon Steel
Center Drill:High Speed Steel
Replaceable Blade:T.C.T.
Capacity Hole sizes 25mm - 75mm.
Applicable depth:Single face 28mm / Both face 56mm
  • Please do not use concrete (hummer) drill, Quick Changing Impact Driver.


  • 超硬アジャスト自在錐 寸法図

  • Unit:mm

Product No. Name Size Shank Shape Qty (Inner Box)
5010AT Set 25×75 10 3


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

Replaceable Blade

  • 超硬アジャスト自在錐替刃 寸法図

Product No. Description Qty (Inner Box)
36T-K 2pcs Set 6

※36T-K:Shared use of replaceable blade for No.36, 5010T.

Center Drill

  • アジャスト自在錐センタードリル 寸法図

  • 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)
5010A-CD 6 66 28 6 1

※5010A-CD:Shared use of replaceable center drill for No.5010A.

Other Assembly

  • 超硬アジャスト自在錐 その他パーツ

  • Unit:mm

Product No. Name Size Qty (Inner Box)
5010A-OP1 Center Drill set screw M5×5 1
5010A-OP2 Black Handle (1pc) - 1
5010A-OP3 Spare Blade set screw (1pc) M5×5 1

※Shared use of other assembly for No.5010A.

Bits of knowledge

  • This model has been used with the finely adjusted screw for not attaching the dust and minimized its malfunctioning. When the move has been become dull, use the air duster to eliminate the dust.


  1. 1. A little flappy fitting on the blade. This is allowed tolerance for quality.
    No problem.



  • 超硬ワンタッチ自在錐 製品カタログ

How to use

 ◎How to adjust the size
黒ハンドルを緩める 調整ハンドルを回す
@Loosen the Black Handle for both side. AEither using adjustable handle to decide target size.
サイズを合わせる 黒ハンドルを締め付ける
BSet with guide for scale mark. (Scale mark is only as a guide) CFixed both of black handle.

Adjustable Circle Cutter Series

Adjustable Circle Cutter Series

Associated Product

  • 超硬自在錐
  • 超硬ワンタッチ自在錐