St58 152mm 15buttons Height300mm Best Quality Integral Reaming Drill Bit

• Type: Reaming Bit
• Material: Tungsten Carbide
• Usage: Metal Drilling
• Diameter: 152mm
• Thread Type: St58
• Size: Reaming Bit
• Model NO.: Reaming bit, diameter152mm, ST58, 15buttons
• Height: 300mm
• Button: 15
• Transport Package: Wood Package
• Specification: CE, SGS, ISO9001
• Trademark: PRODRILL
• Origin: China
• HS Code: 82071990
• Production Capacity: 5000 PCS Per Month

Product Description

Made from high alloy steel and tungsten carbide as same grade as internationally well-known brand 
Apply "hot (thermal) -insertion" processing procedure to insert the buttons as same as internationally well-known brand 
Entire CNC processing procedure ensure the quality consistency 
Grade requirements of heat-treatment guarantee durability 
Fast penetration rates, and streight and clean hole quality. Long life of drilling holes. 

A reaming bit functions to enlarge a borehole and it is designed with a drill portion and a reamer portion. The drill portion is formed by cutting edges at the end of a plurality of flutes, and the reamer portion includes a first relief formed on each flute surface disposed at a predetermined angle with respect to the flute surface to form a first reamer cutting edge. A second relief is formed contiguous with the first face on each reamer portion and is disposed at a second angle, less than the first angle with respect to the flute surface.

Taper Reaming Bits Diameter:64mm-102mm 

Normal taper:6degree, 12degree 
Thread Reaming Bits Diameter:89mm-152mm 
Normal thread:R25, R28, R32, T38 
Type:Pilot, Integral 
Two types of reaming bits:button bit reamers and pilot adapter/reamers.

Technical Specifications

Reaming button bit	diameter		Tip size		Gauge button angle	No. of flushing hole		Weight(kg)
	mm	in	gauge	front		side	front
	89	3 1/2	12*11	-	35	3	-	3
	102	4	12*12	-	35	3	2	3.5
	102	4	12*12	-	35	3	-	3.5
	127	5	8*14	-	35	2	-	6.3
	76	3	8*11	2*10	35	-	-	1.3
	89	3 1/2	8*12	4*12	35	-	-	1.7
	76	3	8*9	4*9	35	-	-	1.1
	89	3 1/2	8*12	4*11	35	-	-	1.7
	89	3 1/2	8*12	4*10	35	-	-	1.7
	102	4	8*12	4*12	-	-	-	2.7
	102	4	8*14	6*12	35	-	-	-
Pilot adaptor	diameter		Tipe size	Thred				Weight (kg)
	mm	in	(H*W)
	40	1 37/64	15*10	R32				1.8
	40	1 37/64	15*10	R32				1.8
	40	1 37/64	18*10	R32				1.8