รายละเอียดสินค้า Tenda 7 Pcs of step drill woodworking pull slot saw drill center punch set set of triangular handle drill bit high speed steel pagoda drill set
•Product name: 7 support step drill and draw-groove saw drill center punching set
•Weight: 332g in bag and 500g in box (plastic box size: 190*135*43mm)
•Application: suitable for aluminum alloy, wood, plastic drawing-groove drilling and reaming processing; Center punch can be used for mark positioning, glass breaking and so on.
[Material]: High-speed steel 4241.
[Handle]: Step drill is triangle round handle, prevent sliping. The saw and drill is a round handle.
[Surface treatment]: The gold is titanium coating, more wear and oxidation resistance, not rust.
[Product use] High-speed steel 4241 material is suitable for iron plate, aluminum alloy, copper plate, wood board,