General Performance TiSiN Coated Metric 3D Carbide Coolant Thru Drills for Steel

The carbide coolant thru drills deliver coolant directly to the cutting edge, reducing heat buildup and extending tool life.
The 3D design allows for accurate and efficient drilling to medium depths, ensuring precise hole dimensions.
Made of micrograin carbide which offers increased toughness, higher precision, improved wear resistance, better surface finish.
Ideal for various steel types, these drill bits are perfect for professional machinists, importers, wholesalers, and end manufacturers, offering reliability and high-quality results.

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Our carbide coolant thru drills are designed with internal coolant channels that deliver coolant directly to the cutting edge, reducing heat buildup and enhancing chip evacuation. The TiSiN coating provides superior hardness and wear resistance, ensuring extended tool life and exceptional performance in high-speed drilling. Perfect for overseas importers, wholesalers, and end manufacturers, these carbide coolant thru drills guarantee reliable, high-quality results for your toughest projects.

d1 (mm)	Length of Cut L3 (mm)	Length of Groove L2 (mm)	d2 (mm)	Overall Length L1 (mm)	Fluite
3.00-3.70	17	20	6	62	2
3.80-6.00	21	24	6	66	2
6.10-8.00	30	34	8	79	2
8.10-10.00	43	47	10	89	2
10.10-12.00	50	55	12	102	2
12.10-14.00	54	60	14	107	2
14.10-16.00	59	65	16	115	2
16.10-18.00	67	73	18	123	2
18.10-20.00	73	79	20	131	2