Carbide Rods With Coolant Holes

Carbide rods with one coolant hole 
Carbide rods with two Coolant holes 
Carbide rods with 30 degree two helical coolant rods
Carbide rods with 40 degree two helical coolant rods 
Stock available for standard sizes 
Solid carbide rods with spiral coolant holes for making carbide drill bits and non-standard carbide cutters .

Carbide rods with one coolant hole:

Unground Ground h6 d L+5.0 Unit:mm
a
D  Tol
4.3 +0.3/0 4.0 0.6-2.0 330 0.15
5.3 5.0
6.3 6.0
7.3 7.0 0.8-3.0
8.3 8.0
9.3 9.0 0.2
10.3 10.0 0.8-4.0
11.3 +0.4/0 11.0
12.3 12.0
13.3 13.0 0.8-6.0 0.3
14.3 14.0
15.3 15.0
16.3 16.0
17.3 +0.5/0 17.0 0.8-7.0 0.4
18.3 18.0
19.3 19.0
20.3 20.0 0.5
22.3 22.0
24.3 24.0
25.3 25.0

Carbide rods with two Coolant holes:
Unground Ground h6 TK Tol Tol L+5.0 a
D Tol
6.3 +0.3/0 6.0 1.50 0/-0.20 0.80 ±0.15 330 0.15
7.3 7.0 1.50 0.80 0.15
8.3 8.0 2.60 0/-0.30 1.00 0.15
9.3 9.0 2.60 1.00 0.20
10.3 10.0 2.60 1.00 0.20
11.3 +0.4/0 11.0 3.50 1.20 0.28
12.3 12.0 3.50 1.20 0.30
13.3 13.0 3.50 1.20 0.34
14.3 14.0 5.00 1.50 0.37
15.3 15.0 5.00 1.50 0.40
16.3 16.0 5.00 1.50 ±0.20 0.40
17.3 +0.5/0 17.0 6.20 2.00 0.47
18.3 18.0 6.20 2.00 0.50
19.3 19.0 6.20 2.00 0.50
20.3 20.0 6.20 0/-0.40 2.00 ±0.30 0.50

Carbide rods with 30 degree two helical coolant rods:
Unground D  h6 Ground h6   L Tol.+5.0 TK  Tol.   d  Tol. Pitch
D Tol
6.3 +C.4/+1.0 6.0 330 2.7 ±0.2 0.80 ±0.15 32.65
7.3 7.0 330 3.5 1.00 38.09
8.3 8.0 330 3.4 1.00 43.53
9.3 9.0 330 4.5 ±0.3 1.40 48.97
10.3 10.0 330 4.8 1.30 54.41
11.3 11.0 330 4.9 ±0.4 1.40 59.86
12.3 +C.4/+1.2 12.0 330 6.3 1.70 65.30
13.3 13.0 330 6.1 1.75 ±0.20 70.74
14.3 14.0 330 6.7 1.80 76.18
15.3 +1.4/+0.4 15.0 330 7.3 1.75 81.62
16.3 16.0 330 8.0 2.00 87.06
17.3 17.0 330 8.5 1.75 ±0.25 92.50
18.3 18.0 330 9.0 2.30 97.95
19.3 19.0 330 9.7 2.00 103.39
20.3 20.0 330 10.0 ±0.5 2.50 108.83

Carbide rods with 40 degree two helical coolant rods:
Unground D  h6 Ground h6  L Tol.+5.0 TK  Tol. Tol. Pitch
D Tol
6.3 +0.4/+1.0 6.0 330 2.0 ±0.20 0.5 ±0.15 22.46
8.3 8.0 330 2.4 0.7 29.95
10.3 10.0 330 3.2 ±0.30 1.0 37.44
12.3 +0.4/+1.2 12.0 330 3.8 ±0.40 1.2 ±0.20 44.92
14.3 14.0 330 4.3 1.2 52.41
16.3 +0.4/+1.4 16.0 330 5.1 1.3 59.90
18.3 18.0 330 5.9 1.4 ±0.25 67.39
20.3 20.0 330 6.6 ±0.50 1.5 74.88

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