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"
|
|