Sunnen alternatives Diamond and CBN Stones, Mandrels and Adapters.
L8-NM55 Honing Stone Length 57.10, assembly on BL8 series Mandrels for Honing Diameter 6,22 mm - 7,82 mm
Product Description
BOSON ABRASIVES brings over 20 years of expertise in the R&D, production, and sales of honing tools. We not only manufacture honing stones, 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.
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.
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 Mandrels, CBN and Diamond Stones
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
Bore types:
Open holes with no interruptions
Open holes with keyways or splines,
Open holes with tandem lands,
Blind holes,
Bowed Hole,
Hole with counterbore or overhang.
The following bore errors can be correct by honing:
Application:
Cylinder liner & sleeves, engine block, connecting rod, rocker arms, refrigerator compressors & components, brake drums, fuel injectors, gun barrels, gears, hydraulics etc.
Detailed Photos







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.