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ZJ CUTTING TOOLS MANUFACTURING CO., LTD.
Add: (Export Office) 168 - 27#, No.168, DINGMAO QIAO ROAD, ZHENJIANG, JIANGSU, CHINA
Tel: 0511-8889 3918
Fax: 0511-8889 3908
Email: lhsheng@zjcuttingtools.com
MSN: lhsheng@pub.zj.jsinfo.net
SKYPE: zjcuttingtools
Website:www.chinaholesaws.com
HomePage > PRODUCTS > Metal cutting tools Series > Special Drill Bits > ANSI 90 Degree Angle HSS Step Drills
 

90 Degree Angle HSS Step Drills

* Step Drills are designed to do two jobs in a single pass. 
They are used to drill a hole with a counterbore, countersink, or chamfer. 
They can be re-sharpened or easily modified for a special length of step. 
Step drills are available in Jobber or Taper length.
* High Speed Steel 90 Degree Angle Step Drills are designed for drilling and counterboring
90 degree cap screw clearance holes in one operation, saving machine time and reducing
set up time. They can be resharpened or modified for a special length of step and are available
in jobber length or taper length drill styles.
* 118 Degree Point.
* Titanium Coated are available.
* Step Drills Set are available.
6 pcs set in Wooden Box: 6#; 8#; 10; 1/4"; 5/16"; 3/8"

Inch Size:
* For Drilling 90 holes and counterboring cap screw clearance holes.

Item No.
Screw Size
Minor Dia.
Major Dia.
Step
Length
Flute
Length
Overall
Length
S90D-001
#5
0.101"
0.228"
3/8"
2-5/8"
3-7/8"
S90D-002
#6
0.150"
1/4"
1/2"
2-3/4"
4"
S90D-003
#8
0.178"
L
1/2"
2-15/16"
4-1/4"
S90D-004
#10
0.204"
Q
5/8"
3-7/16"
4-3/4"
S90D-005
1/4"
9/32"
13/32"
11/16"
3-7/8"
5-1/4"
S90D-006
5/16"
11/32"
1/2"
3/4"
4-1/2"
6"
S90D-007
3/8"
13/32"
19/32"
7/8"
5-3/16"
7-1/8"
S90D-008
7/16"
15/32"
21/32"
1"
5-3/16"
7-1/8"
S90D-009
1/2"
17/32"
25/32"
1"
3-1/4"
5-1/8"
S90D-010
5/8"
21/32"
29/32"
1"
3-5/8"
5-1/8"