Jiangsu Profile
Product List
22351. Surface Set Diamond Core Drill Bit High Quality 
[Jan 13, 2026]
[Jan 13, 2026] Product Description Diamond drill bits are divided into impregnated diamond drill bits and surface set diamond drill bits. Surface set diamond drill bits have matrix wear resistance and erosion resistance, suitable ...
22352. High Quality Surface Set Diamond Core Drill Bit [Jan 13, 2026]
[Jan 13, 2026] Product Description Diamond drill bits are divided into impregnated diamond drill bits and surface set diamond drill bits. Surface set diamond drill bits have matrix wear resistance and erosion resistance, suitable ...
22353. Surface Set Diamond Core Drill Bit Customized [Jan 13, 2026]
[Jan 13, 2026] Product Description Diamond drill bits are divided into impregnated diamond drill bits and surface set diamond drill bits. Surface set diamond drill bits have matrix wear resistance and erosion resistance, suitable ...
22354. Drill Core Bit Surface Set Diamond Drill Bit [Jan 13, 2026]
[Jan 13, 2026] Product Description Diamond drill bits are divided into impregnated diamond drill bits and surface set diamond drill bits. Surface set diamond drill bits have matrix wear resistance and erosion resistance, suitable ...
22355. High Quality T Series Surface Set Diamond Core Drill Bit [Jan 12, 2026]
[Jan 12, 2026] Product Description Diamond drill bits are divided into impregnated diamond drill bits and surface set diamond drill bits. Surface set diamond drill bits have matrix wear resistance and erosion resistance, suitable ...
22356. Premium Quality Alloy Twist Drill Bit for Professional Use [May 06, 2025]
[May 06, 2025] Product Description Select high hardness tungsten steel base material,high-quality nano coating, and high surface smoothness,high speed continuous cutting without burden. SCD-Solid Carbide Standard Drill ...
22357. Premium High-Speed Carbide Drill Bits for Precision Drilling [Feb 05, 2025]
[Feb 05, 2025] Product Description Select high hardness tungsten steel base material,high-quality nano coating, and high surface smoothness,high speed continuous cutting without burden. SCD-Solid Carbide Standard Drill ...
22358. Premium Quality Carbide Drill Bits for Precision Drilling [Jan 24, 2025]
[Jan 24, 2025] Product Description Select high hardness tungsten steel base material,high-quality nano coating, and high surface smoothness,high speed continuous cutting without burden. SCD-Solid Carbide Standard Drill ...
22359. Manufactory Supplier High Performance Carbide Twist Drill Bits [Jul 21, 2023]
[Jul 21, 2023] Product Description Manufactory Supplier High Performance Carbide Twist Drill Bits Workpiece Material Carbon steel/alloy steel/mold steel/cast steel Model Name D1-D20 carbide spot drills ...
Company: Changzhou Hongjian Tools Co., Ltd.
22360. High Speed Carbide Drill Bits for High Metal [Jun 14, 2023]
[Jun 14, 2023] Product Description High hardness Spot Drills for Hard Fiber Materail 1. Raw Material HRC45 HRC55 HRC60 HRC65 YG10X YG10.2 &WF25(Taiwan) K44 & K40 Sandvik H10F Grain Size:0.7um Co:10 % Flexural ...
Company: Changzhou Hongjian Tools Co., Ltd.
22361. High Precision Carbide Drill Bits with Coolant Hole [Feb 13, 2023]
[Feb 13, 2023] Product Description High performance Carbide Oil Hole Drill 1.Product Description Size:3D/5D Top angle:118degree-140degree With internal coolant hole Material: Kennametal Grain Size:0.5um Co:12 % Flexural ...
Company: Changzhou Hongjian Tools Co., Ltd.
22362. Hot Wholesale Tungsten Carbide Long Drill Bits for Metal [Dec 27, 2022]
[Dec 27, 2022] Carbide Twist Drill Bits Shank dia (mm) Flute dia (mm) Flute Length (mm) O.A.L(mm) 3xD 6 M 3.4 20 62 3xD 6 M. 3.5 20 62 3xD 6 M. 3.8 24 66 3xD 6 M. 4 24 66 3xD 6 M. ...
Company: Changzhou Hongjian Tools Co., Ltd.
22363. 5D Carbide Coolant Hole Drill Bits for Hard Materails [Sep 15, 2022]
[Sep 15, 2022] Product Description High performance Carbide Oil Hole Drill 1.Product Description Size:3D/5D Top angle:118degree-140degree With internal coolant hole Material: Kennametal Grain Size:0.5um Co:12 % Flexural ...
Company: Changzhou Hongjian Tools Co., Ltd.
22364. Her0 Series He13 Geological Diamond Bits (400M Drill Bit Record Holder) [Aug 08, 2024]
[Aug 08, 2024] A SERIES BIT MATRIX Bit Matrix No. Rock Features Rock Type Hardness A2 Extremely abrasive,highly fractured Wear-resistant sandstone, broken wear-resistant sandstone A3 Medium ...
22365. Her0 Series He13 Geological Diamond Bits (400M Drill Bit Record Holder) [Aug 08, 2024]
[Aug 08, 2024] A SERIES BIT MATRIX Bit Matrix No. Rock Features Rock Type Hardness A2 Extremely abrasive,highly fractured Wear-resistant sandstone, broken wear-resistant sandstone A3 Medium ...
