Factory source Two Helix Holes Carbide Rod - Carbide Rod With Coolant Hole – Toonney

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Factory source Two Helix Holes Carbide Rod - Carbide Rod With Coolant Hole – Toonney Detail:

Carbide Rods with One Coolant Duct

This blank is specially for some CNC blades or drills which needs duct for coolant to cool the increased heat during the high speed cutting or drilling. Standard specification and tolerance table please reference below.

Outer D(mm)	OD Tol.(mm)	Inner Hole d(mm)	ID Tol.(mm)	Hole center diviation value α	Length（mm）	L Tol.(mm)
3.0	+0.50/+0.30	0.5	±0.10	0.10	330	+1.5
4.0	+0.50/+0.30	0.8	±0.10	0.10	330	+1.5
5.0	+0.50/+0.30	0.8	±0.10	0.13	330	+1.5
6.0	+0.50/+0.30	1.0	±0.15	0.15	330	+1.5
7.0	+0.60/+0.30	1.0	±0.15	0.15	330	+1.5
8.0	+0.60/+0.30	1.0	±0.15	0.15	330	+1.5
9.0	+0.60/+0.30	1.4	±0.15	0.20	330	+1.5
10.0	+0.60/+0.30	1.4	±0.15	0.20	330	+1.5
11.0	+0.60/+0.30	1.4	±0.15	0.28	330	+1.5
12.0	+0.60/+0.30	1.8	±0.15	0.30	330	+1.5
13.0	+0.70/+0.30	1.8	±0.15	0.34	330	+1.5
14.0	+0.70/+0.30	1.8	±0.15	0.37	330	+1.5
15.0	+0.70/+0.30	2.0	±0.20	0.40	330	+1.5
16.0	+0.70/+0.30	2.0	±0.20	0.40	330	+1.5
17.0	+0.80/+0.30	2.0	±0.20	0.47	330	+1.5
18.0	+0.80/+0.30	2.0	±0.20	0.50	330	+1.5
19.0	+0.80/+0.30	2.0	±0.20	0.50	330	+1.5
20.0	+0.80/+0.30	2.5	±0.25	0.50	330	+1.5
21.0	+0.80/+0.30	2.5	±0.25	0.50	330	+1.5
22.0	+0.80/+0.30	2.5	±0.25	0.50	330	+1.5
23.0	+0.80/+0.30	3.0	±0.25	0.50	330	+1.5
24.0	+0.80/+0.30	3.0	±0.25	0.50	330	+1.5
25.0	+0.80/+0.30	3.0	±0.25	0.50	330	+1.5
26.0	+0.80/+0.30	3.0	±0.25	0.50	330	+1.5
27.0	+0.80/+0.30	3.0	±0.25	0.50	330	+1.5
28.0	+0.80/+0.30	3.0	±0.25	0.50	330	+1.5
29.0	+0.80/+0.30	3.0	±0.25	0.50	330	+1.5
30.0	+0.80/+0.30	3.0	±0.25	0.50	330	+1.5

Carbide Rod with Two Straight Holes

This blank is especially for some CNC blades or drills which needs duct for coolant to cool the increased heat during the high-speed cutting or drilling. Standard specification and tolerance table please reference below.

Standard pitch

Outside Dia. Ø(mm)	OD Tol. (mm)	Inner d(mm)	ID Tol.(mm)	Distance between holds		Hole center diviation value α	L mm	Tol. (mm)
Outside Dia. Ø(mm)	OD Tol. (mm)	Inner d(mm)	ID Tol.(mm)	mm	Tol. (mm)	Hole center diviation value α	L mm	Tol. (mm)
6.0	+0.50/+0.30	0.8	±0.10	1.5	﹢0/-0.20	0.15	330	+1.5
7.0	+0.60/+0.30	0.8	±0.10	1.5	﹢0/-0.20	0.15	330	+1.5
8.0	+0.60/+0.30	1.0	±0.15	1.5	﹢0/-0.30	0.15	330	+1.5
9.0	+0.60/+0.30	1.0	±0.15	2.6	﹢0/-0.30	0.20	330	+1.5
10.0	+0.60/+0.30	1.0	±0.15	2.6	﹢0/-0.30	0.20	330	+1.5
11.0	+0.60/+0.30	1.2	±0.15	3.6	﹢0/-0.30	0.28	330	+1.5
12.0	+0.60/+0.30	1.2	±0.15	3.6	﹢0/-0.30	0.30	330	+1.5
13.0	+0.70/+0.30	1.2	±0.15	3.6	﹢0/-0.30	0.34	330	+1.5
14.0	+0.70/+0.30	1.5	±0.15	5.0	﹢0/-0.30	0.37	330	+1.5
15.0	+0.70/+0.30	1.5	±0.15	5.0	﹢0/-0.30	0.40	330	+1.5
16.0	+0.70/+0.30	1.5	±0.15	5.0	﹢0/-0.30	0.40	330	+1.5
17.0	+0.80/+0.30	2.0	±0.20	6.2	﹢0/-0.30	0.47	330	+1.5
18.0	+0.80/+0.30	2.0	±0.20	6.2	﹢0/-0.30	0.50	330	+1.5
19.0	+0.80/+0.30	2.0	±0.20	6.2	﹢0/-0.30	0.50	330	+1.5
20.0	+0.80/+0.30	2.0	±0.20	6.2	﹢0/-0.40	0.50	330	+1.5
21.0	+0.80/+0.30	2.0	±0.20	6.2	﹢0/-0.40	0.50	330	+1.5
22.0	+0.80/+0.30	2.0	±0.20	6.2	﹢0/-0.40	0.50	330	+1.5
23.0	+0.80/+0.30	2.0	±0.20	7.5	﹢0/-0.40	0.50	330	+1.5
24.0	+0.80/+0.30	2.0	±0.20	7.5	﹢0/-0.50	0.50	330	+1.5
25.0	+0.80/+0.30	2.0	±0.20	7.5	﹢0/-0.50	0.50	330	+1.5
26.0	+0.80/+0.30	2.0	±0.20	7.5	﹢0/-0.50	0.50	330	+1.5

Carbide Rod with Two Helical Holes

Coolant hole in the type of helical shape is one new of our product series, below is the size detail.

carbide-rod-with-three-helical-holes

D(mm)	D tol.	TK	Tk tol	hole	Hole tol.	Pitch	L+1.0
3.3	+0.7	1.60	±0.10	0.40	±0.10	16.32	310/330
3.8	+0.7	1.80	±0.10	0.50	±0.10	19.04	310/330
4.3	+0.7	2.10	±0.10	0.60	±0.10	21.77	310/330
4.8	+0.7	2.25	±0.15	0.70	±0.10	24.49	310/330
5.3	+0.7	2.40	±0.20	0.70	±0.10	27.21	310/330
5.8	+0.7	2.40	±0.20	0.70	±0.10	29.93	310/330
6.3	+0.7	2.40	±0.20	0.70	±0.10	32.65	310/330
6.8	+0.7	3.30	±0.20	1.00	±0.15	35.37	310/330
7.3	+0.7	3.50	±0.20	1.00	±0.15	38.09	310/330
7.8	+0.7	3.80	±0.20	1.00	±0.15	40.81	310/330
8.3	+0.7	3.80	±0.20	1.00	±0.15	43.53	310/330
8.8	+0.7	4.20	±0.30	1.00	±0.15	46.25	310/330
9.3	+0.7	4.50	±0.30	1.40	±0.15	48.97	310/330
9.8	+0.7	4.50	±0.30	1.40	±0.15	51.69	310/330
10.3	+0.7	4.50	±0.30	1.40	±0.15	54.41	310/330
10.8	+0.7	4.50	±0.30	1.40	±0.15	57.13	310/330
11.3	+0.7	4.90	±0.40	1.40	±0.15	59.86	310/330
11.8	+0.7	5.40	±0.40	1.40	±0.15	62.58	310/330
12.3	+0.7	5.85	±0.40	1.40	±0.15	65.3	310/330
12.8	+0.7	5.85	±0.40	1.75	±0.20	68.02	310/330
13.3	+0.8	6.10	±0.40	1.75	±0.20	70.74	310/330
13.8	+0.8	6.40	±0.40	1.75	±0.20	73.46	310/330
14.3	+0.8	6.70	±0.40	1.75	±0.20	76.18	310/330
14.8	+0.8	7.00	±0.40	1.75	±0.20	78.9	310/330
15.3	+0.8	7.30	±0.40	1.75	±0.20	81.62	310/330
15.8	+0.8	7.60	±0.40	1.75	±0.20	84.34	310/330
16.3	+0.8	7.90	±0.40	1.75	±0.20	87.06	310/330
16.8	+0.8	8.20	±0.40	1.75	±0.20	89.78	310/330
17.3	+0.8	8.50	±0.40	1.75	±0.20	92.5	310/330
17.8	+0.8	8.80	±0.40	1.75	±0.20	95.22	310/330
18.8	+0.8	9.35	±0.40	2.00	±0.25	100.67	310/330
19.3	+0.8	9.70	±0.40	2.00	±0.25	103.39	310/330
19.8	+0.8	9.75	±0.50	2.00	±0.25	106.11	310/330
20.3	+0.8	9.90	±0.50	2.00	±0.25	108.83	310/330

Carbide Rod with Three Helical Holes

Some special precise end mills or drills needs 3 helical holes to get better cutting performs, we specially develop carbide rod blanks for this application. Specifications detail as below:
carbide-rod-with-three-helical-holes

Outer D (mm)	OD Tol. (mm)	TK (mm)	Distance Tol. (mm)	Inner Dia. (mm)	ID (mm)	Pitch (mm)	Pitch Tol. (mm)
6	﹢1.0/﹢0.6	2.75	-0.4	0.7	±0.10	32.7	-0.7	0.62
8	﹢1.4/﹢0.7	3	-0.4	1	±0.15	43.53	-0.86	0.89
10	﹢1.4/﹢0.7	5	-0.6	1.4	±0.15	54.41	-1.08	1.12
12	﹢1.4/﹢0.7	6	-0.6	1.4	±0.15	65.3	-1.3	1.33
14	﹢1.5/﹢0.7	7	-0.8	1.75	±0.20	76.18	-1.51	1.56
16	﹢1.6/﹢0.7	8	-0.8	1.75	±0.20	87.06	-1.73	1.78
18	﹢1.7/﹢0.7	9.55	-0.8	2	±0.25	97.95	-1.95	2.00
20	﹢1.7/﹢0.7	10	-1	2	±0.25	108.83	-2.16	2.22
Length: 330+0/+1.5mm

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