Scribing tool "STH"

- Interchangeavle carbide scribing drill mounted in the holder

- Rigid heat-treated tool steel holder

- Designed with spring system to retract drill for uneven surface

- Extra function to use chamfer milling for hole edge

- TiN coated 90 degree drill point with dual angle for stable scribing

- Carbide flatted shank drill to fit in STH holder

- Locking by side screws fastening

- Adjustable tension by threaded screw from holder end

How to assemble scribing tool

A. Push ① SD 080, Scribing tool into tool body until hiding flatted shank completely

B. Lock ② Locking screw completely

C. Insert ③ Tension SHT-spring inside of tool body

D. Turn ④ Adjustment screw right-hand direction and push into the holder-end

E. Finally, loose ② Locking screw by 45” left-hand direction(about 1/8 turn)

so that spring’s tension can be performed

How to dismantle scribing tool

A. Remove ④ Adjustment screw by left-hand direction

B. Take out ③ Tension STH-spring from tool body

C. Loose ② Locking srew

D. Take out ① SD 080 Scribing tool from tool body