28mm 30mm 32mm 34mm Tapered Drilling Bits for Mining Well Drilling

• Customization: Available
• After-sales Service: Provided
• Warranty: 3 Months
• Certification: ISO 9001:2000
• Standard: ISO
• Manufacturing Process: Forging
• Material: Steel and Tungsten Carbide
• Application: Stone Drilling, Coal Mining,Quarry Drilling
• Machine Type: Drilling Tool
• Advantage: Wear Resistant
• Appearance: Smooth
• Boby Type: Normal Type or Retrac Type
• Diameter: 28-41mm
• Length: 50-65mm
• Transport Package: Carton
• Specification: 23X18X23 cm
• Trademark: D Miningwell
• Origin: Zhejiang, China
• Production Capacity: 3000PCS Per Month

Product Description

28mm 30mm 32mm 34mm+ Tungsten Carbide Button Drill Bit for Mining and Quarry

 

Description	Diameter	Length	No. of button	Weight
Taper Angle =4°46″,6 °,7°,11°,12° Socket inside =19,22,25mm	mm	mm	pcs	kg
	28	50	4	0.2
	29	50	4 5 6 7	0.2
	30	50 80	5 6 7 8	0.2 0.3
	32	50 55 71 80	6 7 8 9	0.2 0.22 0.3
	33	50 55 71 80	6 7 9	0.2 0.3 0.36
	34	50 55	7 8	0.22 0.3
	35	55 71 80	4 5 6 7	0.22 0.3 0.37
	36	50 55	7	0.3 0.35
	37	55	4 6 7	0.3
	38	50 55	4 6 7	0.25 0.35
	40	50 55	7	0.35
	41	50 55 71	4 5	0.35
	42	50	6 7	0.4
	45	50 55 71	6 7 8 9	0.5