BL8-295AH Honing Mandrels for Sunnen SSH-1680, MBB Honing Machines
BOSON Abrasives specialized in manufacturing cBN and diamond honing stones (honing sticks) in metal bonded. We only use the highest quality of diamond and CBN abrasives from GE ( Diamond Innovation) to ensure the highest quality of honing stones.
BOSON ABRASIVES brings over 20 years of expertise in the R&D, production, and sales of honing tools. We not only manufacture honing tools and honing machines, but also offer professional honing services. Leveraging the world's finest diamond and CBN abrasives, diverse formulations, mature production processes, and extensive honing experience, our honing stones deliver high efficiency in honing a wide range of materials and consistently achieve excellent surface roughness.
Product Description
Honing Mandrels Types:
S series = Steel Mandrel with soft guide shoes, for honing most materials.
H series = Steel Mandrel with hardened guide shoes for production honing or hard, rough parts, carbide, ceramic, glass.
B series = Bronze Mandrel for very fine finishes and honing exotic metals.
Meanwhile, BOSON Abrasives produce special honing tools including Diamond Plated Super Mandrels, Carbide Insert Shoes Mandrels, Extended Shank Mandrels, metal bonded superabrasives insert honing mandrels.
Honing Stone Types:
Our ability to supply Sunnen honing stones in a variety of grit sizes and bond configurations enables us to hone a variety of materials including hardened tool steels, steels of varying alloys, aluminum, titanium, bronze, brass, cast iron, stainless steel, and ceramics.
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
K8 / BL8 Honing Units, Diameter Range: 6.22mm - 7.82mm / .245" - .308"
| Diameter Range mm |
Diameter Range Inches |
K8 Mandrel |
BL8 Mandrel |
Adapter |
Alignment Bushing |
Truing Sleeve |
Honing Stone |
| 6,22-6,35 |
.245-.250 |
K8-245A |
BL8-245A |
K8-A/BL8-A |
C-245 |
S-245 |
K8DM35 / L8DM35 |
| 6,35-6,48 |
.250-.255 |
K8-250A |
BL8-250A |
K8-A/BL8-A |
C-250 |
S-250 |
K8DM45 / L8DM45 |
| 6,48-6,60 |
.255-.260 |
K8-255A |
BL8-255A |
K8-A/BL8-A |
C-255 |
S-255 |
K8DM55 / L8DM55 |
| 6,60-6,73 |
.260-.265 |
K8-260A |
BL8-260A |
K8-A/BL8-A |
C-260 |
S-260 |
K8DM085 / L8DM85 |
| 6,73-6,86 |
.265-.270 |
K8-265A |
BL8-265A |
K8-A/BL8-A |
C-265 |
S-265 |
K8DM05 / L8DM05 |
| 6,86-6,98 |
.270-.275 |
K8-270A |
BL8-270A |
K8-A/BL8-A |
C-270 |
S-270 |
K8DM005 / L8DM005 |
| 6,98-7,11 |
.275-.280 |
K8-275A |
BL8-275A |
K8-A/BL8-A |
C-275 |
S-275 |
K8NM35 / L8NM35 |
| 7,11-7,24 |
.280-.285 |
K8-280A |
BL8-280A |
K8-A/BL8-A |
C-280 |
S-280 |
K8NM45 / L8NM45 |
| 7,24-7,37 |
.285-.290 |
K8-285A |
BL8-285A |
K8-A/BL8-A |
C-285 |
S-285 |
K8NM55 / L8NM55 |
| 7,37-7,49 |
.290-.295 |
K8-290A |
BL8-290A |
K8-A/BL8-A |
C-290 |
S-290 |
K8NM85 / L8NM85 |
| 7,49-7,62 |
.295-.300 |
K8-295A |
BL8-295A |
K8-A/BL8-A |
C-295 |
S-295 |
K8NM05 / L8NM05 |
| 7,62-7,82 |
.300-.308 |
K8-300A |
BL8-300A |
K8-A/BL8-A |
C-300 |
S-300 |
K8NM005 / L8NM005 |
Standard Honing Stones, Mandrels & Adapters for SUNNEN Horizontal Honing Machines
Honing Stone Code Explanation Chart
Our ability to supply diamond or CBN abrasives in a variety of grit sizes and bond configurations enables us to hone a variety of materials including hardened tool steels, steels of varying alloys, aluminum, titanium, bronze, brass, cast iron, stainless steel, and ceramics.
Detailed Photos




We are able to manufacture honing stones ( abrasive cutting sticks ) for Sunnen, Nagel, Gehring, Kadia, General Hone, Nissin, Fuji, Toyo, Delapena, MAS, and many other brand honing machines.
Contact us right now for further information. We will reply within 24 hours.