Jiangsu Profile
Product List
5161. Premium Diamond Core Drill Bit for Reinforced Concrete Manufacturer 
[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.
5162. Vacuum Brazed Diamond Core Drill Bit for Drilling [Feb 15, 2022]
[Feb 15, 2022] Vacumm Brazed Diamond core drill bit Main Advantages: Vacuum brazed core bit for extremely hard ceramic tiles. Quick start and drilling fast, High speed and long life. 1.Dry & Wet drilling porcelain tile, ...
Company: DONGYAN INTERNATIONAL CO., LTD.
5163. Good Performance Vacuum Brazed Diamond Core Drill Bit for Drilling Tile [Feb 15, 2022]
[Feb 15, 2022] Vacumm Brazed Diamond core drill bit Main Advantages: Vacuum brazed core bit for extremely hard ceramic tiles. Quick start and drilling fast, High speed and long life. 1.Dry & Wet drilling porcelain tile, ...
Company: DONGYAN INTERNATIONAL CO., LTD.
5164. Good Quality Diamond Core Rock Drill Bits Manufacturer [Feb 15, 2022]
[Feb 15, 2022] Vacumm Brazed Diamond core drill bit Main Advantages: Vacuum brazed core bit for extremely hard ceramic tiles. Quick start and drilling fast, High speed and long life. 1.Dry & Wet drilling porcelain tile, ...
Company: DONGYAN INTERNATIONAL CO., LTD.
5165. M14 Vacuum Brazed Diamond Core Drill Bit for Granite Marble Concrete Porcelain Tile Glass Stone [Feb 15, 2022]
[Feb 15, 2022] Vacumm Brazed Diamond core drill bit Main Advantages: Vacuum brazed core bit for extremely hard ceramic tiles. Quick start and drilling fast, High speed and long life. 1.Dry & Wet drilling porcelain tile, ...
Company: DONGYAN INTERNATIONAL CO., LTD.
5166. Reduced Shank Drill Bits Milled [Jan 01, 2022]
[Jan 01, 2022] We supply high quality reduced shank drill bits made from high speed steel M2. Surface: White finish, black finish, oxide, tin coating. Point angle: 118 or 135 degree. All are 6" long and featheure a 1/2 ...
5167. Drill Bits with Reduced Shank [Jan 01, 2022]
[Jan 01, 2022] We supply high quality reduced shank drill bits made from high speed steel M2. Surface: White finish, black finish, oxide, tin coating. Point angle: 118 or 135 degree. All are 6" long and featheure a 1/2 ...
5168. Power Tools Hammer Drill Bits for Concrete Coating Factory [Jul 16, 2026]
[Jul 16, 2026] Carbide Drill Series Material: 40 Chrome steel and YG8C carbide tip Flute type: Single flute and double flute ( S4) Professional Heat treatment HRC: 47-55 Use for Concrete, stone. Tip: "-" tip and "+" tip Shank ...
Company: Changzhou Hongjian Tools Co., Ltd.
5169. 13PCS High Speed Steel Titanium Coated Twist Drill Bit [Jul 14, 2026]
[Jul 14, 2026] Product Description Material M42, M35, 6542(M2), 9341, 4341, 4241 Diameter 1-20mm Standard DIN338 Color Titanium Coated, bright finish, black oxide, rainbow, amber finish etc. Package Plastic box,opp bag,metal ...
Company: Jiangsu Goldmoon Industry Co., Ltd.
5170. F/D Bwl Nwl Hwl Pwl Standard Impregnated Diamond Drill Core Bit [Jun 22, 2026]
[Jun 22, 2026] F/D Bwl Nwl Hwl Pwl Standard Impregnated Diamond Drill Core Bit The impregnated diamond bits are cutting tools. They contain diamond segments bonded to a base material. They are widely applied in cutting non-ferrous ...
5171. 6PCS HSS Drill Bit with 1/4-Inch Quick Change Hex Shank [Jun 12, 2026]
[Jun 12, 2026] Product Description Material Component (%) HSS 4241 C (0.9~1.0); Si(1.0~1.3); Mn(0.25~0.4); P(0~0.035); S(0~0.009); Cr(3.8~4.2); Mo(0.55~0.85); W(1.6~2.0); V (0.4~0.65); Co(0) HSS 4341 C (0.83~0.93); ...
Company: Jiangsu Goldmoon Industry Co., Ltd.
5172. 3PCS HSS Spiral Grooved Step Drill Bit [Jun 12, 2026]
[Jun 12, 2026] Product Description Material Component (%) HSS 4241 C (0.9~1.0); Si(1.0~1.3); Mn(0.25~0.4); P(0~0.035); S(0~0.009); Cr(3.8~4.2); Mo(0.55~0.85); W(1.6~2.0); V (0.4~0.65); Co(0) HSS 4341 C (0.83~0.93); ...
Company: Jiangsu Goldmoon Industry Co., Ltd.
5173. Metric Spiral Groove Step Drill Bit [Jun 12, 2026]
[Jun 12, 2026] Product Description Material Component (%) HSS 4241 C (0.9~1.0); Si(1.0~1.3); Mn(0.25~0.4); P(0~0.035); S(0~0.009); Cr(3.8~4.2); Mo(0.55~0.85); W(1.6~2.0); V (0.4~0.65); Co(0) HSS 4341 C (0.83~0.93); ...
Company: Jiangsu Goldmoon Industry Co., Ltd.
5174. 5PCS/Set HSS Roll-Forged Twist Drill Bit (GMD-006) [Jun 12, 2026]
[Jun 12, 2026] Product Description Detailed Photos Related products Why choose us FAQ Q: What can we provide ? A: We are a professional manufacturer of hole saw and have our own packing centre. Through more than 10 years ...
Company: Jiangsu Goldmoon Industry Co., Ltd.
5175. High Performance Nq Diamond Core Drill Bit for Iron Drilling [May 25, 2026]
[May 25, 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 ...
