hss twist drill bit----tool set B (1932)- Carol
USD $1 - $3 /Piece
Min.Order:100 Pieces
Shanghai Roblion Diamond Tool Manufacturing Co., Ltd.
hss twist drill bit----tool set B
Application:standard drill for drilling steel and cast steel,alloyed and non-alloyed,grey cast iron,sintered power metal,graphite,malleble cast iron,speroidal cast iron,german silver,graphite.
.