Addison Parallel Shank Twist Drills.

High Speed Steel

PARALLEL SHANK TWIST DRILLS

Jobber Series

Specification conform

to IS 5101-1969

Dimensions in mm

  parallelshanktwistdrillsjobberseries

Parallel shank twist drills have two helical flutes. The round shank of the drill has approximate the same diameter as the diameter of the cutting end. Extremely useful for drilling holes in metal, wood and plastic applications. Hardened and tempered to give you good life in general purpose engineering. Parallel shank jobber series twist drills are available in standard pack of ten depending on size.

Preferred
Nominal
Diameter
h8

Range of Diameters

 

Flute
Length

 

 

Overall
Length

 

Over

Upto and including

1.50 - 1.50 18 40
1.60
1.70
1.50 1.70 20 43
1.80
1.90
1.70 1.90 22 46
2.00
2.10
1.90 2.12 24 49
2.20
2.30
2.12 2.36 27 53
2.40
2.50
2.60
2.36 2.65 30 57
2.70
2.80
2.90
3.00
2.65 3.00 33 61
3.10
3.20
3.30
3.00 3.35 36 65
3.40
3.50
3.60
3.70
3.35 3.75 39 70
3.80
3.90
4.00
4.10
4.20
3.75 4.25 43 75
4.30
4.40
4.50
4.60
4.70
4.25 4.75 47 80
4.80
4.90
5.00
5.10
5.20
5.30
4.75 5.30 52 86

Preferred
Nominal
Diameter
h8

Range of Diameters

 

Flute
Length

 

 

Overall
Length

 

Over

Upto and including

5.40
5.50
5.60
5.70
5.80
5.90 6.00
5.30 6.00 57 93
6.10
6.20
6.30
6.40
6.50
6.60
6.70
6.00 6.70 63 101
6.80
6.90
7.00
7.10
7.20
7.30
7.40
7.50
6.70 7.50 69 109
7.60
7.70
7.80
7.90
8.00
8.10
8.20
8.30
8.40
8.50
7.50 8.50 75 117
8.60
8.70
8.80
8.90
9.00
9.10
9.20
9.30
9.40
9.50
8.50 9.50 81 125

Preferred
Nominal
Diameter
h8

Range of Diameters

 

Flute
Length

 

 

Overall
Length

 

Over

Upto and including

9.60
9.70
9.80
9.90
10.00
10.10
10.20
10.30
10.40
10.50
10.60
9.50 10.60 87 133
10.70
10.80
10.90
11.00
11.10
11.20
11.30
11.40
11.50
11.60
11.70
11.80
10.60 11.80 94 142
11.90
12.00
12.10
12.20
12.30
12.40
12.50
12.60
11.80 13.20 101 151
12.70
12.80
12.90
13.00
13.10
13.20
11.80 13.20 101 151
13.30
13.40
13.50
13.60
13.70
13.80
13.90
14.00
13.20 14.00 108 160
   
   
   

Drills

Addison