Jiangsu Profile
Product List
6181. Durable Sharp Diamond Core Drill Bits for Concrete Cutting 
[Feb 15, 2022]
[Feb 15, 2022] Wet Core Bit for Concrete and Hard Masonry High performance wet core bits engineered to drill high PSI concrete and reinforced concrete. Both drilling speed and lifetime have been vastly increased. Ideal for: High ...
Company: DONGYAN INTERNATIONAL CO., LTD.
6182. Diamond Core Drill Bit for Drilling Granite [Feb 15, 2022]
[Feb 15, 2022] Wet Core Bit for Concrete and Hard Masonry High performance wet core bits engineered to drill high PSI concrete and reinforced concrete. Both drilling speed and lifetime have been vastly increased. Ideal for: High ...
Company: DONGYAN INTERNATIONAL CO., LTD.
6183. Laser Welded Diamond Core Drill Bits for Concrete [Feb 15, 2022]
[Feb 15, 2022] High Performance Wet Core Bit for Hard / Reinforced Concrete High performance wet core bits engineered to drill high PSI concrete and reinforced concrete. Both drilling speed and lifetime have been vastly increased. ...
Company: DONGYAN INTERNATIONAL CO., LTD.
6184. Premium Diamond Core Drill Bit for Reinforced Concrete [Feb 15, 2022]
[Feb 15, 2022] High Performance Wet Core Bit for Hard / Reinforced Concrete High performance wet core bits engineered to drill high PSI concrete and reinforced concrete. Both drilling speed and lifetime have been vastly increased. ...
Company: DONGYAN INTERNATIONAL CO., LTD.
6185. Solid Carbide Twist Drill Bits [Jan 01, 2022]
[Jan 01, 2022] Our solid carbide twist drill bits are made from super carbide materia. hardness up to 91 HRA speical size ,helix angle design available. Tialn coating available. STC025-2, SOLID CARBIDE DRILL, ...
6186. High Speed Steel HSS M35 Step Drill Bits [Jan 01, 2022]
[Jan 01, 2022] We make CBN fully ground HSS step drill bits. Made from high grades high speed steel, tin coating and tialn coating both avialable. Kinds of sets are available. Tin coating, tialn coating available. Laser ...
6187. Handerk HRC55/65 Cemented Carbide Twist Drill Durable Sharp CNC Drill Bits with Coated for CNC ... [Mar 05, 2026]
[Mar 05, 2026] Products Description Name Carbide Drill Bits Material Tungsten Carbide Coating AITiN/TiAlCN/TiSiN or customized HRC 65 Diameter 1-22mm or customized Overall length 50-100mm or customized Q1: Is ...
6188. Handerk High Quality HRC55 Twist Drill Bits Tungsten Steel Twist Drilling Bit for CNC Tool [Mar 05, 2026]
[Mar 05, 2026] Products Description Name Carbide Drill Bits Material Tungsten Carbide Coating AITiN/TiAlCN/TiSiN or customized HRC 55 Diameter 1-20mm or customized Overall length 40-100mm or customized Q1: Is ...
6189. Crown Drill Bit Reliable Performance for CNC and Multi-Purpose Drilling [Feb 07, 2026]
[Feb 07, 2026] Crown Drill Bit reliable performance for CNC and multi-purpose drilling Product Description Our crown drill is made from high-quality materials and precision-engineered for efficient, accurate drilling. Its robust ...
Company: CHANGZHOU DELEVEL TOOLS CO., LTD.
6190. Crown Drill Bit High-Speed Performance for Deep Hole Drilling [Feb 07, 2026]
[Feb 07, 2026] Crown Drill Bit high-speed performance for deep hole drilling Product Description Our crown drill is made from high-quality materials and precision-engineered for efficient, accurate drilling. Its robust design ...
Company: CHANGZHOU DELEVEL TOOLS CO., LTD.
6191. Three-Point Flat-Bottom CNC Drill Bit for Precision Engineering [Jan 21, 2026]
[Jan 21, 2026] Introducing the Three-Point Flat Drill Bit, a precision drilling tool perfect for metalworking projects. This solid carbide drill boasts a unique design that minimizes burrs, making it ideal for CNC applications. The ...
6192. Heavy-Duty Rotary Roller Tricone Drill Bit for Mine Water Well Drilling [Jan 13, 2026]
[Jan 13, 2026] Product Description Tooth Type: TCI Tooth Available size: 5-7/8~14-3/4'' Painting color: customized Condition: new manufacture Applicable industrial: energy & mining Machinery test: as ...
Company: Suzhou Energy Tool Co., Ltd.
6193. China OEM ODM Tricone Tungsten Carbide Drill Bits [Dec 29, 2025]
[Dec 29, 2025] Product Description Specifications Diameter 8 1/2" (215.9mm) Bearing Type Elastomer sealed bearing Tooth Type TCI (Tungsten Carbide Inserts) Circulation Type Mud fluid Gauge ...
Company: Suzhou Energy Tool Co., Ltd.
6194. Spiral Fluted HSS Step Drill Bits [Dec 25, 2025]
[Dec 25, 2025] HSS step drill bits with spiral flutes, split-point according to DIN1412-C and a 3-flat cylindrical shank Spiral flutes for faster drilling speed & chip ejection Excellent general use drill bit for high precision and ...
Company: Suqian Ares Tools Co., Ltd.
6195. HSS Step Drill Bits - Fractional Sizes [Dec 25, 2025]
[Dec 25, 2025] HSS step drill bits with straight flutes, split-point according to DIN1412-C and a 3-flat cylindrical shank - Fractional sizes Excellent general use drill bit for high precision and long tool life Split point tip ...
Company: Suqian Ares Tools Co., Ltd.
