Jiangsu Profile

Product List
3136. 12-1/4' 8 Blades Down Hole PDC Drill Bit for Oil Drilling Tool
[Jan 13, 2026]
[Jan 13, 2026] Product Description PDC bit is developed in a significant advanced technology of diamond drilling. The disc shaped polycrystalline diamond pads, or cutters, are set strategically in rows on the bit face. These cutters ...
3137. 16mm Cutters Hard Rock PDC Drill Bit for Water Mining Oil Well
[Jan 13, 2026]
[Jan 13, 2026] Product Description PDC Drill Bit With Extremely Fast Penetration Rates And Very Long Working Life About PDC Drill Bit Polycrystalline diamond compact (PDC) bits deliver premium performance and durability for a wide ...
3138. Premium Coal Mine Drilling Bit for Strong Anchoring Solutions
[Dec 25, 2025]
[Dec 25, 2025] Product Description Product Parameters Model Diamond Stone Drill Bit Material SPECIAL STEEL, TUNGSTEN CARBIDE Round Shank OD 43mm 35mm 38mm 30mm 40mm 42mm Customized Carbide OD 30mm 28mm 25mm 22mm 19mm ...
3139. Premium 28mm Heavy Duty Half Drill Bit for Mining Applications
[Dec 21, 2025]
[Dec 21, 2025] Product Description Product Parameters Model Diamond Stone Drill Bit Material SPECIAL STEEL, TUNGSTEN CARBIDE Round Shank OD 43mm 35mm 38mm 30mm 40mm 42mm Customized Carbide OD 30mm 28mm 25mm 22mm 19mm ...
3140. Premium 28mm Precision Half Piece Bolt Drill Bit
[Dec 08, 2025]
[Dec 08, 2025] Product Description Product Parameters Model Diamond Stone Drill Bit Material SPECIAL STEEL, TUNGSTEN CARBIDE Round Shank OD 43mm 35mm 38mm 30mm 40mm 42mm Customized Carbide OD 30mm 28mm 25mm 22mm 19mm ...
3141. Durable Coal Mining Rock Bits for Fast and Efficient Drilling
[Dec 03, 2025]
[Dec 03, 2025] Product Description Product Parameters Model Diamond Stone Drill Bit Material SPECIAL STEEL, TUNGSTEN CARBIDE Round Shank OD 43mm 35mm 38mm 30mm 40mm 42mm Customized Carbide OD 30mm 28mm 25mm 22mm 19mm ...
3142. Premium Hardened Steel Rock Bits for Efficient Coal Mining
[Oct 03, 2025]
[Oct 03, 2025] Product Description Product Parameters Model Diamond Stone Drill Bit Material SPECIAL STEEL, TUNGSTEN CARBIDE Round Shank OD 43mm 35mm 38mm 30mm 40mm 42mm Customized Carbide OD 30mm 28mm 25mm 22mm 19mm ...
3143. Vacuum Brazed Hard Rock Drilling Bits Manufacturer
[Feb 15, 2022]
[Feb 15, 2022] Vacumm Brazed Diamond core drill bit FEATURES: 1. Vacuum Brazed Diamond hole Saw is designed for high speed high performance and heavy duty use on Ceramic, Poecelain, granite, marble,, glass, quartz, ...
Company: DONGYAN INTERNATIONAL CO., LTD.
3144. Carbide Router Bits Vgroove Milling Cutter Tool Grooving Router Bit for ACP
[May 26, 2026]
[May 26, 2026] Product Description Apply to:Aluminum, clay, zinc and wood composite panels, aluminum composite materials (ACM), aluminum composite panels (ACP), ALPOLIC copper composite materials (CCM), Alucobond, Alupanel, ...
3145. Heavy-Duty Rock Drill Bits for Fast and Efficient Drilling
[Dec 19, 2025]
[Dec 19, 2025] Product Description Product Parameters Our Advantages Whether you are cutting a small or big trench for landscaping, plumbing, or electrical applications, you want tooling that provides the highest ...
3146. Premium ISO Certified PDC Drill Bit for Efficient Stone Drilling
[Nov 03, 2025]
[Nov 03, 2025] Product Description Product Parameters Model Diamond Stone Drill Bit Material SPECIAL STEEL, TUNGSTEN CARBIDE Carbide OD 30mm 28mm 25mm 22mm 19mm 16mm Customized Reach 89mm 102mm 114mm 104mm 74mm ...
3147. 4.1/2", 4.3/4", 5.1/8", 5.5/8" Non-Coring PCD Bit
[Jul 14, 2026]
[Jul 14, 2026] 1) Powdered metal matrix body for longer service life. 2) Advanced geometric design for faseter penetration. 3) Added cutters for maximum performance. 4) TSP gauge protection. 5) Large junk slots for better ...
3148. Crown Long Work Life PDC Drill Bit 8-1/2 12 1/4 Inch PDC Bit Torque Steel Body Bits for Drilling ...
[Apr 09, 2026]
[Apr 09, 2026] Products Description Product Paramenters PDC BIT Types Ordinary type; Reinforced type; Super strength type. Threads Any female or male threads. Available Sizes 2"~ 12 1/4", larger sizes can be custom as your ...
3149. Tile Hole Saw/Vacuum Hole Saw/Vacuum Drill Bits
[Apr 28, 2022]
[Apr 28, 2022] Vacumm Brazed Diamond core drill bit FEATURES: 1. Vacuum Brazed Diamond hole Saw is designed for high speed high performance and heavy duty use on Ceramic, Poecelain, granite, marble,, glass, quartz, ...
Company: DONGYAN INTERNATIONAL CO., LTD.
3150. Vacuum Brazed Ceramic Tile Hole Saw Drill Bit
[Apr 28, 2022]
[Apr 28, 2022] Vacumm Brazed Diamond core drill bit FEATURES: 1. Vacuum Brazed Diamond hole Saw is designed for high speed high performance and heavy duty use on Ceramic, Poecelain, granite, marble,, glass, quartz, limestone, ...
Company: DONGYAN INTERNATIONAL CO., LTD.



















