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Drills
(Straight Shank Left-Hand Twist Drills)


Standard No:GB1436
Material: H.S.S

METRIC SYSTEM:MM
Flute Diamter
d
Overall Length
L
Shank Diameter
l
1.00 40 18
1.05 40 18
1.10 40 18
1.15 40 18
1.20 42 20
1.25 42 20
1.30 45 22
1.35 45 22
1.40 48 25
1.45 48 25
1.50 48 25
1.55 48 25
1.60 48 25
1.65 48 25
1.70 48 25
1.75 52 28
1.80 52 28
1.85 52 28
1.90 55 30
1.95 55 30
2.00 55 30
2.05 60 32
2.15 60 32
2.20 60 32
2.25 60 32
2.30 60 32
2.35* 65 35
2.40 65 35
2.45 65 35
2.50 65 35
2.55* 65 35
2.60 65 35
2.65 65 35
2.70 65 35
2.80 65 35
2.90 65 35
3.00 70 40
3.10* 70 40
3.20 70 40
3.30 70 40
3.40 70 40
3.50 70 40
3.60 70 40
3.70 70 40
3.80 70 40
3.90 70 40
4.00 70 40
4.10 70 40
4.20 70 40
4.30 70 40
4.40 70 40
4.50 70 40
4.60* 70 40
4.70 70 40
4.80 70 40
4.90 70 40
5.00 75 45
5.10 75 45
5.20 75 45
5.30 75 45
5.40 75 45
5.50 75 45
5.60 75 45
5.70 75 45
5.80 75 45
5.90 75 45
6.00 75 45
6.10 75 45
6.20 75 45
6.30 75 45
6.40 75 45
6.50 75 45
6.60 75 45
6.70 75 45
6.80 75 45
6.90 75 45
7.00 75 45
7.10 75 45
7.20 75 45
730 75 45
7.40 75 45
7.50 75 45
7.60 75 45
7.70 75 45
7.80 75 45
7.90 75 45
8.00 80 50
8.10 80 50
8.20 80 50
8.30 80 50
8.40 80 50
8.50 80 50
8.60 80 50
8.70 80 50
8.70 80 50
8.80 80 50
8.90 80 50
9.00 80 50
9.10 80 50
9.20 80 50
9.30 80 50
9.40 80 50
9.50 80 50
9.60 80 50
9.70 75 45
9.80 75 45
9.90 75 45
Diameters with * will be produced as special orders.

INCH SYSTEM:INCH
d L l
1/16 1-7/8 7/8
5/64 2" 1"
3/32 2-1/4 1-1/4
7\64 2-5/8 1-1/2
1/16 1-7/8 7/8
5/64 2" 1"
3/32 2-1/4 1-1/4
7/64 2-5/8 1-1/2
1/8 2-3/4 1-5/8
9/64 2-7/8 1-3/4
5/32 3-1/8 2"
11/64 3-1/4 2-1/8
3/16 3-1/2 2-5/16
13/64 3-5/8 2-7/16
7/32 3-3/4 2-1/2
15/64 3-7/8 2-5/8
1/4 4" 2-3/4
17/64 4-1/8 2-7/8
9/32 4-1/4 2-15/16
19/64 4-3/8 3-1/16
5/16 4-1/2 3-3/16
21/64 4-5/8 3-5/16
11/32 4-3/4 3-7/16
23/64 4-7/8 3-1/2
3/8 5" 3-5/8
25/64 5-1/8 3-3/4
13/32 5-1/4 3-7/8
27/64 5-3/8 3-15/16
7/16 5-1/2 4-1/16
29/64 5-5/8 4-3/16
15/32 5-3/4 4-5/16
31/64 5-7/8 4-3/8
1/2 6" 4-1/2

 


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