Description
Profile ground.
Jobber drill with high pitch accuracy and concentricity as well as precision ground point.
Steam tempered from Ø 2.4 mm.
Product Data
Product type: Jobber drill
Material: HSS
DIN: 338
Type: N
Tolerance: h8
Point angle: 118°
Surface: Steam tempered from Ø 2.4 mm
Nominal Ø Dc: 7/64
Inch Ø: 2.78 mm
Lc: 33 mm
L: 61 mm
Feed (f): 0.03 mm/rev
Cutting Data (vc, m/min)
Alu plastics: 80
Alu: 45
Alu cast >10% Si: 50
Steel <500 N: 40
Steel <750 N: 30
Steel <900 N: 25
Steel <1100 N: 10
INOX <900 N: 8
GG(G): 25
CuZn: 80
Recommendation
Maximum drilling depth: L2 = Lc - 1.5 × Dc.
Note
114031 – Successor product to No. 114030.
Size 13.2–20: With stepped shank Ø 12.7 mm.
114150 – Size 16–20: Drills with shank Ø 16 mm.