1:Name: Woodworking Drill Bits - 4-Flute Through-Hole("V" Point)Boring Bits
2. Advantages for 4F through hole V-point drill:
(1). Center positioning edge's two sides main cutting edge using CNC one time taking shape can make sure main cutting edge's bouncing and center positioning's edge lying in the shaft axis.
(2). Main cutting edge with lateral front angle, will make cutting easy and quick.
(3). Increasing two assistant spiral groove will make chip removing much more effective and avoid over-burning.
(4). The enlarging of steel body's working part will make the whole strength much better.
3.Suggested Parameters :
Used for CNC and drill rig machining
Speed: 4500-8000 (r/min)
Feeding speed: 2-8 (m/min)
Maximum drilling depth: length 57, deep 20mm; length 70, deep 33mm.
10mm×20mm Shank | |||||
Tool No. Right Hand | Tool No. Left Hand | D | B | S | L |
GHV040100200700RF | GHV040100200700LF | 4MM | 43MM | 10 20MM | 70MM |
GHV050100200700RF | GHV050100200700LF | 5MM | 43MM | 10 20MM | 70MM |
GHV060100200700RF | GHV060100200700LF | 6MM | 43MM | 10 20MM | 70MM |
GHV070100200700RF | GHV070100200700LF | 7MM | 43MM | 10 20MM | 70MM |
GHV080100200700RF | GHV080100200700LF | 8MM | 43MM | 10 20MM | 70MM |
GHV090100200700RF | GHV090100200700LF | 9MM | 43MM | 10 20MM | 70MM |
GHV100100200700RF | GHV100100200700LF | 10MM | 43MM | 10 20MM | 70MM |
GHV110100200700RF | GHV110100200700LF | 11MM | 43MM | 10 20MM | 70MM |
GHV120100200700RF | GHV120100200700LF | 12MM | 43MM | 10 20MM | 70MM |
GHV130100200700RF | GHV130100200700LF | 13MM | 43MM | 10 20MM | 70MM |
GHV140100200700RF | GHV140100200700LF | 14MM | 43MM | 10 20MM | 70MM |
GHV150100200700RF | GHV150100200700LF | 15MM | 43MM | 10 20MM | 70MM |
woodworking drill bits 4-Flute Through-Hole("V" Point)Boring Bits