split point drill
Drill Size
Dec. Equiv. Inches
Flute Length
Overall Length Art #
3/16"
.1875
2-5/16"
3-1/2"
16283316
13/64"
.2031
2-7/16"
3-5/8"
162831364
17/64"
.2656
2-7/8"
4-1/8"
162831764
9/32"
.2812
2-15/16"
4-1/4"
16283932
National Aerospace Standard 907 Type A, Jobbers Length Drills • High speed steel, surface treated • 118° split point • For use in a wide range of operation condi- tions • Bright or Blue
sheet metal drills hss e • • • • • • • • •
CBN (cubical boron nitride) deep ground Universally suitable. Stepless drilling and widening of holes within the diameter range 3-61 mm Suitable for drilling of very thin sheet metal No countersinking or pre-drilling Speed table enclosed Burr-free drilling without deforming the sheet metal Excellent heat conductivity for improved tool life due to radial and axial relief grinding Shank 3 phase ground With laser scale, therefore easy indication of required drill hole diameter
Size
Drill Dia. (mm)
Total Length (mm)
Shank Dia. (mm)
Art #
1
3 - 14
58
6
069402414
2
5 - 20
71
8
0694022420
Art. # 069402414 - Tapered: 4-14mm
Art. # 069402420 - Tapered: 4-20mm
Speed Table for Stepped Drills Non-Ferrous Metals Stainless Steel Sheets, Nirosta, A2
Plastics, Chemical Duroplastics, Thermoplastics
Sheet Thickness
0.1 - 6mm
0.1 - 2mm
up to 10mm
0.1 - 4mm
Size
Diameter mm
n=rpm
n=rpm
n=rpm
n=rpm
1
3 - 14.0
2000 - 1500
600 - 400
3000 - 2000
800 - 500
2
4 - 20.0
1500 - 800
400 - 200
2000 - 1500
600 - 300
© 2011 WURTH USA, Inc.
Revision 03/2011
Material
08.0270
Steel Sheets, section
Soft, i.e. St14-St37