K20nm55 Metal Bond CBN Honing Stones, Sharpening Stones for Bore Honing

• Customization: Available
• Type: Standard Oilstone
• Material: Diamond or CBN Abrasives
• Model NO.: K20-NM55
• Application: Bore Honing
• Effect: Grinding
• Bond: Metal Bond
• Abrasives Type: CBN
• Grit Size: Nm55, 220#
• Lead Time: 2 Weeks
• Transport Package: Carton Box
• Specification: K20NM55
• Trademark: BOSON ABRASIVES
• Origin: China
• HS Code: 680421990
• Production Capacity: 5000 PCS. / Month
• Package Size: 8.00cm * 2.00cm * 2.00cm
• Package Gross Weight: 0.200kg

Product Description

Metal Bonded CBN and Diamond Honing Stones, Honing Mandrels, Adapters
Sunnen & Delapena Alternative Honing Abrasive Stones
 

BOSON ABRASIVES is a leading manufacturer of superabrasive honing tools, specializing in diamond and CBN honing stones for Sunnen and other major honing machines. We offer a full range of Sunnen standard K, L, and P series honing stones at competitive prices with fast delivery.

With over 20 years of experience in the research, development, production, and sales of honing tools, BOSON not only manufactures honing tools and machines but also provides professional honing services. Leveraging world-class diamond and CBN abrasives, diversified bond systems, mature manufacturing processes, and extensive application knowledge, our honing stones deliver high-efficiency material removal and consistently achieve excellent surface finishes across a wide range of materials.

Diamond (DM) - Metal bonded excellent for accelerated stock removal and long abrasive life in cast iron, carbide, titanium, silicon carbide, ceramics, glass, graphite and other exotic materials.

Cubic Boron Nitride (CBN, NM) - Metal bonded excellent for accelerated stock removal and long abrasive life in ferrous materials, including Alloy steel, hardened steel, quenched and tempered steel, mild steel and other steel materials

Specification

Honing Stone Code Explanation Chart.

K20/ BL20 Series Honing Unit

Diameter Range mm	Diameter Range mm	K20 Mandrel	BL20 Mandrel	Adaper	Alignment Bushing	Truing Sleeve	K20, L20 Honing Stones
15,72-16,51	.619-.650	K20-619AH	BL20-619AH	K20-A/BL20-A	C-619	S-619	K20DM35,K10DM55, K20DM85, K20DM95, K10DM05,K20DM005 K20NM35, K20NM55, K20NM85, K20NM95, K20NM05, K20NM005 L20DM55, L20DM05, L20DM005 L20NM55, L20NM05, L20NM005
15,90-16,69	.625-657	K20-16MMAH	BL20-16MMAH	K20-A/BL20-A	C-16MM	S-16MM
16,51-17,30	.650-.681	K20-650AH	BL20-650AH	K20-A/BL20-A	C-650	S-650
16,90-17,69	.665-.697	K20-17MMAH	BL20-17MMAH	K20-A/BL20-A	C-17MM	S-17MM
17,30-18,11	.681-.713	K20-681AH	BL20-681AH	K20-A/BL20-A	C-681	S-681
17,90-18,71	.704-.737	K20-18MMAH	BL20-18MMAH	K20-A/BL20-A	C-18MM	S-18MM
18,11-18,90	.713-.744	K20-713AH	BL20-713AH	K20-A/BL20-A	C-713	S-713

Standard Honing Stones, Honing Mandrels Chart

Features:
• Stable cutting ability without clogging, loading and glazing

• Long honing stone life time with short cycle time

• Consistent surface finish without scratch
• Only use CBN and diamond abrasives from Diamond Innovation

• Advanced bonding technoloy with various honing stone's formula suit for different application. 
 

Applications:
• Automotives: engine blocks, connecting rod, pinion gears, brake drums,valve rocker arms, steering knuckles, master and wheel cylinders
• Aerospace: Hydraulic valves and blocks, Piston pumps, Fuse pinsanding gears
• Airconditioning and refrigeration
• Diesel engines
• Engine building
• Hydraulics
• Energy
• Firearms and defense
• Job shops and contract machining
• Motorcyces
• Sewing machine's components.
• Tools and Die
 

Detailed Photos

Packaging & Shipping

100% replaceable with original Sunnen honing stones with 50% cost saving.
Feel free to contact us for free sample and price. We will reply within 24 hours.