For punching iron plate of tapping screw, total length 85mm/110mm will provide tosion effect the most., For punching iron plate of tapping screw, total length 85mm/110mm will provide tosion effect the most.
Bit Shaft Opposite Side(mm)
Overall Length (mm)
Low alloy steel for industrial applications, precision surface machined finish, their management heat treatment systems, advanced assessment of : HRC56 (about) With magnetic force
Architecture related, furniture assembly, vehicle maintenance, electrical and construction industries, Architecture related, furniture assembly, vehicle maintenance, electrical and construction industries
Panasonic's 14.4 V, EZ 7544, EZ 7546. It is used by Makita's 18 V, BTD 141, but there is no problem with the accuracy of the bit. As for the "ease of use" of the tool, it is often affected by "how to use" depending on the skill of the person using it, so I can not say anything in particular. Durability is also an ordinary bit. Due to mirror surface treatment of the surface and influence of oil of rust prevention treatment, screws are slippery when they are brand new, so they are first degreased and used.