1mm - 20mm Solid Carbide Twist Drills High Speed Drill Bit For Steel HRC 50

Brand Name:AMG

Certification:ISO9001

Model Number:DIN-3D

Minimum Order Quantity:3-10PCS

Delivery Time:5-12 working days

Payment Terms:T/T/Credit Card

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Changzhou AMG Precision Tool Manufacturing CO., LTD

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Location: Changzhou Jiangsu China

Address: NO. 24-2 Lingshan Middle Road, Xixiashu Town, Xinbei District, Changzhou City, Jiangsu, China

Supplier`s last login times: within 29 hours

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Product Details

Solid Carbide Twist Drill Bit for Steel High Speed HRC 50 Precision CNC Drilling 1mm-20mm

Introduction:

Our solid carbide twist drill bit is engineered for high-performance drilling in steel, hardened metals (HRC 50+), and tough alloys. Featuring ultra-fine grain tungsten carbide and an optimized 135° split point, this industrial-grade drill delivers exceptional accuracy, extended tool life, and superior chip evacuation—perfect for CNC machining centers, lathes, and high-volume production.

Specification:

Flute dia (D)	Shank dia (d)	OAL(L)	Groov length (L2)	Max.depth of cutting (L1)	Shank length(LS)
3	6	62	20	14	36
3.25	6	62	20	14	36
3.3	6	62	20	14	36
3.4	6	62	20	14	36
3.5	6	62	20	14	36
3.7	6	62	20	14	36
4	6	66	24	17	36
4.2	6	66	24	17	36
4.3	6	66	24	17	36
4.5	6	66	24	17	36
4.65	6	66	24	17	36
4.8	6	66	28	20	36
5	6	66	28	20	36
5.1	6	66	28	20	36
5.2	6	66	28	20	36
5.5	6	66	28	20	36
5.55	6	66	28	20	36
5.8	6	66	28	20	36
6	6	66	28	20	36
6.1	8	79	34	24	36
6.2	8	79	34	24	36
6.3	8	79	34	24	36
6.5	8	79	34	24	36
6.6	8	79	34	24	36
6.8	8	79	34	24	36
6.9	8	79	34	24	36
7	8	79	34	24	36
7.1	8	79	41	29	36
7.4	8	79	41	29	36
7.5	8	79	41	29	36
7.8	8	79	41	29	36
8	8	79	41	29	36
8.1	10	89	47	35	40
8.4	10	89	47	35	40
8.5	10	89	47	35	40
8.6	10	89	47	35	40
8.7	10	89	47	35	40
8.8	10	89	47	35	40
9	10	89	47	35	40
9.3	10	89	47	35	40
9.5	10	89	47	35	40
9.6	10	89	47	35	40
9.8	10	89	47	35	40
10	10	89	47	35	40
10.25	12	102	55	40	45
10.4	12	102	55	40	45
10.5	12	102	55	40	45
10.6	12	102	55	40	45
10.8	12	102	55	40	45
11	12	102	55	40	45
11.2	12	102	55	40	45
11.5	12	102	55	40	45
11.8	12	102	55	40	45
12	12	102	55	40	45
12.25	14	107	60	43	45
12.5	14	107	60	43	45
12.7	14	107	60	43	45
12.75	14	107	60	43	45
12.8	14	107	60	43	45
13	14	107	60	43	45
13.1	14	107	60	43	45
13.5	14	107	60	43	45
13.8	14	107	60	43	45
14	14	107	60	43	45
14.25	16	115	65	45	48
14.5	16	115	65	45	48
14.75	16	115	65	45	48
14.8	16	115	65	45	48
15	16	115	65	45	48
15.1	16	115	65	45	48
15.5	16	115	65	45	48
15.8	16	115	65	45	48
16	16	115	65	45	48
16.5	18	123	73	51	48
16.75	18	123	73	51	48
16.8	18	123	73	51	48
17	18	123	73	51	48
17.5	18	123	73	51	48
17.8	18	123	73	51	48
18	18	123	73	51	48
18.5	20	131	79	55	50
18.8	20	131	79	55	50
19	20	131	79	55	50
19.5	20	131	79	55	50
19.8	20	131	79	55	50
20	20	131	79	55	50

Features:

✔ Solid Carbide Construction – 3X more durable than HSS drills.
✔ 135° Split Point – Self-centering for precise hole starts (no walking).
✔ High Helix (35°) – Efficient chip removal in deep holes.
✔ TiAlN Coating – Reduces friction and withstands 800°C (optional).
✔ Precision Ground – ±0.01mm tolerance, <0.005mm runout.
✔ Size Range – 1mm to 20mm (0.04" to 0.79").

Advantages:

1mm - 20mm Solid Carbide Twist Drills High Speed Drill Bit For Steel HRC 50

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