일반 성능 Tisin 코팅 90도 텅스텐 탄화물 스텝 드릴 비트 금속

The TiSiN coating significantly enhances the tool’s hardness and wear resistance, ensuring a longer lifespan and reducing the frequency of tool replacements.
With its 90-degree design, this step drill bit excels in both drilling precise holes and performing chamfering tasks, making it a versatile tool for various machining operations.
Engineered for use on cast iron, carbon steel, alloy steel, and pre-harden steel, this tungsten carbide step drill bit delivers consistent and accurate results, improving overall machining efficiency.
The tungsten carbide step drill bit for metal is crafted from micrograin carbide, offering exceptional toughness, durability, and machinability. It delivers outstanding performance and represents excellent value for its price.

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The tungsten carbide step drill bit is designed for high-performance steel machining. Its TiSiN coating provides exceptional hardness, wear resistance, and heat resistance, ensuring prolonged tool life and consistent performance. This versatile step drill bit excels in drilling precise holes and chamfering, making it ideal for various steel fabrication tasks. Its robust design and dual functionality make it a valuable addition to any metalworking toolkit, enhancing productivity and precision in industrial workshops and engineering applications.

절단 직경(mm)	L1 (MM)	L2 (mm)	생크 직경(mm)	L (MM)	스레드 크기
3.40	11.4	28	6	66	M4
4.30	13.6	28	6	66	M5
5.00	16.5	41	8	79	M6
6.90	21.0	47	10	89	M8
8.70	25.5	55	12	102	M10
10.40	30.0	60	14	107	M12
12.25	34.5	65	16	115	M14
14.25	38.5	73	18	123	M16
7.00	21.0	47	10	89	M8*1
9.00	25.5	55	12	102	M10 * 1
10.50	30.0	60	14	107	M12*1.5
12시 50분	34.50	65	16	115	M14*1.5
14.50	38.50	73	18	123	M16*1.5