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

Categories	Carbide Drill Bit
Brand Name:	AMG
Model Number:	DIN-3D
Certification:	ISO9001
Place of Origin:	CHINA
MOQ:	3-10PCS
Payment Terms:	T/T/Credit Card
Supply Ability:	30000-100000pcs per month
Delivery Time:	5-12 working days
Packaging Details:	Plastic tube
Product name:	Solid Carbide Twist Drills
Point angle:	140° (for steel)
Material:	Solid carbide
Diameter:	1-32mm
Overall length:	50-400mm
Helix:	30–35° (optimized chip flow)
OEM/ODM:	Available
Application:	Brass, Aluminium. Cast iron, steel, inconel, etc
Coating:	TiAlCrN, Nano-TiXCo, AlTiSiN, etc.

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Changzhou AMG Precision Tool Manufacturing CO., LTD

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

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:

✅ 50% Faster Drilling – Handles 30+ m/min cutting speeds.
✅ Reduced Burrs – Sharp edges for clean holes in steel/stainless.
✅ Extended Tool Life – 5X longer than coated HSS drills.
✅ Universal Shank – Fits ER collets, hydraulic chucks, and drill presses.

Detailed Pictures:

Our workshop:

New Customer Special Offers:

To help you experience our premium products, we’re excited to offer the following exclusive promotions for first-time buyers:

1.Free Test Samples

Get free samples (total value ≤ $20 USD) when you cover the international shipping cost.

Perfect for evaluating our product quality and performance risk-free.

2.$50 USD Discount on First Order

New customers can enjoy a $50 discount on the first order of $500 or more.

A great way to start our partnership with extra value!

Our advantages:

1.Advanced grinding machines: All of our grinding machines are WALTER and SAACKE brands.

2.Advanced inspection machines: We have ZOLLER, OMEGA, PG1000, etc. For inspecting each carbide tools.

3.Fast feedback: we offer 24 hours online service

4.Strict quality control system:
We strictly adhere to a three-stage inspection process for each tool:
Raw material inspection
Semi-finished product inspection after production
Final inspection after coating (pre-shipment check)

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

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

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

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