Wing Drag Bits

Product Description

We Manufacture Three-Wing Drag bits and Four-wing Drag Bits. In Step and Chevron type:

DIAMETER
INCH. / MM.
2" 50.8
2 1/2" 65.50
2 3/4" 69.85
2 7/8" 73.00
2 15/16" 74.60
3" 76.20
3 1/8" 79.38
3 1/4" 82.55
3 1/2" 88.90
3 5/8" 92.08
3 3/4" 95.25
3 7/8" 98.43

4" 101.60
4 1/8" 104.80
4 1/4" 108.00
4 1/2" 114.30
4 5/8" 117.50
4 3/4" 120.70
4 7/8" 123.80
5" 127.00
5 1/8" 130.20
5 1/4" 133.40
5 1/2" 139.70
5 5/8" 142.90
5 3/4" 146.10
5 7/8" 149.20

6" 152.40
6 1/8" 155.60
6 1/4" 158.80
6 1/2" 165.10
6 5/8" 168.30
6 3/4" 171.40
6 7/8" 174.60
7" 177.80
7 1/8" 182.00
7 1/4" 184.20
7 3/8" 187
7 1/2" 190.50
7 5/8" 193.68
7 3/4" 196.50
7 7/8" 200.00

8" 203.20
8 1/8" 206.40
8 1/4" 209.50
8 1/2" 215.90
8 5/8" 219.08
8 3/4" 222.20
8 7/8" 225.40
9" 228.60
9 1/8" 231.78
9 1/4" 234.95
9 1/2" 241.30
9 5/8" 244.48
9 3/4" 247.65
9 7/8" 250.83
10" 254.00
10 5/8" 269.69
12" 304.80
12 1/4" 311.15
15" 381.00
17 1/2" 444.50