Jiangsu Profile
Product List
6331. HSS Cobalt Countersink Drill Bits 
[Feb 19, 2022]
[Feb 19, 2022] DIN 335 countersink are with from high speed steel M2. special forged technology make working life longer and cost lower. type A, B,C, D available. size from 4.3mm to 100mm. tin and tialn coating ...
6332. Diamond Core Drill Bit for Green Concrete [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.
6333. Diamond Core Drill Bits for Dry Drilling in Concrete [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.
6334. Drilling Tools Diamond Core Drill Bits for Concrete [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.
6335. 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.
6336. 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.
6337. 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.
6338. 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.
6339. 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, ...
6340. 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 ...
6341. 20mm 3/4 Inch Diamond Hole Saw Drill Core Bit Diameter for Marble Stone Granite Tile [Jun 12, 2026]
[Jun 12, 2026] Product Name 20mm 3/4 inch Diamond Hole Saw Drill Core Bit Diameter for Marble Stone Granite Tile Liner Material Metal+Diamond Color As shown Available size All Sizes Are ...
Company: Jiangsu Goldmoon Industry Co., Ltd.
6342. Premium Carbon Steel Forged Drill Bit for Core and Ore Mining [May 09, 2026]
[May 09, 2026] Product Description Size Bit O.D.Hole Diameter Bit I.D.Core Diameter Reaming Shell O.D. MM MM MM BQ 58.9 36.4 59.95 BQ3 58.9 33.53 59.95 NQ 75.3 47.6 75.7 NQ3/NQTT 75.3 45.1 75.7 HQ 95.6 63.5 96.09 HQ3/HQTT 95.6 61.1 ...
6343. Durable Carbon Steel Rock Drill Bits for Efficient Mining Operations [May 09, 2026]
[May 09, 2026] Product Description Size Bit O.D.Hole Diameter Bit I.D.Core Diameter Reaming Shell O.D. MM MM MM BQ 58.9 36.4 59.95 BQ3 58.9 33.53 59.95 NQ 75.3 47.6 75.7 NQ3/NQTT 75.3 45.1 75.7 HQ 95.6 63.5 96.09 HQ3/HQTT 95.6 61.1 ...
6344. Premium Pq3 Diamond Core Drill Bits for Mining Iron [May 09, 2026]
[May 09, 2026] Product Description Size Bit O.D.Hole Diameter Bit I.D.Core Diameter Reaming Shell O.D. MM MM MM BQ 58.9 36.4 59.95 BQ3 58.9 33.53 59.95 NQ 75.3 47.6 75.7 NQ3/NQTT 75.3 45.1 75.7 HQ 95.6 63.5 96.09 HQ3/HQTT 95.6 61.1 ...
6345. Pq Pq3 Impregnated Diamond Bit Rock Bit Core Drill Bits [May 09, 2026]
[May 09, 2026] Product Description Size Bit O.D.Hole Diameter Bit I.D.Core Diameter Reaming Shell O.D. MM MM MM BQ 58.9 36.4 59.95 BQ3 58.9 33.53 59.95 NQ 75.3 47.6 75.7 NQ3/NQTT 75.3 45.1 75.7 HQ 95.6 63.5 96.09 HQ3/HQTT 95.6 61.1 ...
