Instructions User guide

10
Capabilities & Performance
Drill Types: Two fluted HSS, Cobalt or Carbide SAE & Metric twist drills
Point Styles: Four Facet & Standard Conic points
Split Point Styles: Standard X split and Radius split
Point Angles: 90° - 150°
Drill Diameter: 3mm - 16mm (.118 to .629)
Drill Length 50.8mm - 222.3mm (2” to 8.750)
Tolerances
Lip Height Accuracy: ANSI B94.11, NAS 907 and ISO 10899 Standards
Point Angle: 90° - 150° with a tolerance of +/- 2°
Relief: 5° - 18° margin relief with a tolerance of +/- 2°
Split Angle: 120° - 170° with a tolerance of +/- 5°
Fan Angle: Tolerance of +/- 15°
Approximate Grinding Performance Times using
drills with a standard web thickness
Capabilities & Performance
Material Point
Angle
(Degree)
Diameter
(inch)
MTO
(inch)
Relief
(Degree)
Hone
Time
(sec)
*Grind
Times:
No Split
*Grind
Times:
X-Split
HSS 118° .125 .005 11° 0 : 36
: 56
HSS 118° .375 .005 0 : 45
1:13
HSS 118° .625 .005 0 : 49 1:25
CARBIDE 135° .125 .006 11° 1 : 44
1:08
CARBIDE 135° .375 .006 3 : 58
1:30
CARBIDE 135° .625 .005 5 1:16
1:59
*Approximate
grind times
based on using
a new grinding
wheel