Description
Spiral fluted, with 6 guide chamfers and internal cooling channels.
New generation of high performance pilot drills in the HPC range.
With 140° point angle and special p6 cutting edge tolerance for optimum generation of a pilot hole.
High alignment accuracy and roundness of the pilot hole.
Product Data
Product type: Solid carbide HPC pilot drill
Material: Solid carbide
Standard: DIN 6537 L
Type: W
Diameter tolerance: p6
Shank tolerance: h6
Number of cutting edges: 2
Point angle: 140°
Through-coolant pressure: 25 bar
Shank: Plain shank DIN 6535 HA
Surface / coating: DLC
Drilling depth: 6×D
Ø Dc: 2.4 mm
L2: 17.4 mm
L: 57 mm
Ø Ds: 4 mm
Feed (f): 0.18 mm/rev
Cutting Data
Alu plastics: 360 m/min
Alu: 400 m/min
Alu cast >10% Si: 350 m/min
PMMA acrylic: 150 m/min
PEEK: 120 m/min
PVDF GF20: 90 m/min
PA 66 GF30: 80 m/min
PEEK GF30: 70 m/min
PTFE CF25: 80 m/min
Cu: 160 m/min
CuZn: 200 m/min
GRP: 80 m/min
CRP: 80 m/min
ISO Code
Alu plastics: N
Alu: N
Alu cast >10% Si: N
PMMA acrylic: N
PE-HD: N
PA 66: N
PEEK: N
PF 31: N
AFRP aramid: N
PVDF GF20: N
POM GF25: N
PA 66 GF30: N
PEEK GF30: N
PTFE CF25: N
Cu: N
CuZn: N
GRP: N
CRP: N
Note
Flute length Lc = L2 + 1.5 × Dc.
For deep-hole drilling deeper than 16×D a pilot hole is recommended, and for deep-hole drilling from 20×D to 30×D it is essential.
The generation of a pilot hole improves process reliability.
Form HB and HE supplied at the same price as HA.
Form HB: order with No. 122608.
Form HE: order with No. 122606 + 129100HE.