*Plastic holder:
1pc:HSS D=10.4mm single-flute rotary countersink.
1pc:HSS burr( d=3.0mm/863-A ),HRc 62.
*Easy change & storage blade.
*Packing:@set-sliding card, 20/120 sets/ctn, 15/16 kgs/1.2‘
MOQ=1200 PCS