JCO (Johnson Style) Hollow Ground Cut-Off Blades
H.S.S. & Carbided Tipped

Proudly manufactured in the USA!

H.S.S. JCO (Johnson Style) Hollow Ground Cut-Off Blades

• GROUND ALL OVER
• M2 - GENERAL PURPOSE WITH EXCELLENT TOUGHNESS
• COBALT - HIGHEST HEAT RESISTANCE, HIGHER RPM APPLICATIONS
• M4PM - MAXIMUM PERFORMANCE ON ABRASIVE MATERIALS WHERE HEAT IS NOT A FACTOR
• T15PM - EXCELLENT FOR DIFFICULT TO MACHINE MATERIALS WITH GOOD HEAT RESISTANCE
• CUT-OFF ANGLE HAS TO BE SHARPENED BEFORE USING TO SUIT INDIVIDUAL APPLICATION.

H.S.S. Hollow Ground Cut-Off Blades
Click on the Catalog Number to order online!
(Please contact us for sizes and materials not shown)
M2 STEEL COBALT STEEL M4PM STEEL T15PM STEEL
W H LENGTH ORDERING# ORDERING# ORDERING# ORDERING#
.035 1/2 4-1/2 BL232 ------ BL232C-K BL232V
3/64 1/2 4-1/2 BL332 BL332C ------ BL332V
1/16 1/2 4-1/2 BL432 BL432C BL432C-K BL432V
5/64 1/2 4-1/2 BL532 BL532C BL532C-K BL532V
3/32 1/2 4-1/2 BL632 BL632C BL632C-K BL632V
1/8 1/2 4-1/2 BL832 BL832C ------ BL832V
3/16 1/2 4-1/2 ------ BL1232C BL1232C-K BL1232V
3/64 11/16 5" ------ ------ ------ BL344V
1/16 11/16 5" BL444 BL444C BL444C-K BL444V
3/32 11/16 5" BL644 BL644C BL644C-K BL644V
1/8 11/16 5" BL844 BL844C BL844C-K BL844V
5/32 11/16 5" BL1044 BL1044C BL1044C-K BL1044V
3/16 11/16 5" BL1244 BL1244C BL1244C-K BL1244V
1/4 11/16 5" BL1644 BL1644C BL1644C-K BL1644V
1/16 13/16 6" BL452 BL452C ------ BL452V
3/32 13/16 6" BL652 BL652C BL652C-K BL652V
1/8 13/16 6" BL852 BL852C BL852C-K BL852V
5/32 13/16 6" BL1052 BL1052C ------ BL1052V
3/16 13/16 6" BL1252 BL1252C ------ BL1252V
1/4 13/16 6" BL1652 BL1652C ------ BL1652V

CUT-OFF BLADE COATING OPTIONS:

(FOR THE OPTIONS LISTED, ADD THE SUFFIX LISTED BELOW TO THE ORDERING NUMBER)

-TIN = A GOOD GENERAL PURPOSE COATING FOR METAL CUTTING

-TICN = THIS COATING IS RECOMMENDED FOR MACHINING HIGH CARBON STEEL, HIGH SILICON ALUMINUMS AND TOOL STEELS

-TIALN = FOR MACHINING CAST IRON, HIGH NICKEL AND TITANIUM ALLOYS, HARDENED STEELS AND STAINLESS STEELS. GOOD CHOICE FOR INTERRUPTED APPLICATIONS



*****MANY MORE SPECIALIZED COATINGS AVAILABLE*******

JCO (Johnson Style) Micro-Grain Carbide Tipped Hollow Ground Cutoff Blades

• MICROGRAIN CARBIDE- INCREASED FEEDS, SHOCK RESISTANT FOR INTERRUPTED CUTS.
• AVAILABLE IN TWO STYLES: STYLE "Y" AND STYLE "X"
• ALSO AVAILABLE WITH COATINGS LISTED ABOVE

STYLE "Y"

FOR USE ON: FRONT SLIDE R.H / REAR SLIDE R.H.
OR VERTICAL SLIDE L.H.

Click on the Catalog Number to order online!
CAT. NO. WIDTH HEIGHT LENGTH
CHBL432-Y-MIC 1/16 1/2 4-1/2"
CHBL532-Y-MIC 5/64 1/2 4-1/2"
CHBL632-Y-MIC 3/32 1/2 4-1/2"
CHBL832-Y-MIC 1/8 1/2 4-1/2"
CHBL444-Y-MIC 1/16 11/16 5"
CHBL644-Y-MIC 3/32 11/16 5"
CHBL844-Y-MIC 1/8 11/16 5"
CHBL1044-Y-MIC 5/32 11/16 5"
CHBL1244-Y-MIC 3/16 11/16 5"
CHBL452-Y-MIC 1/16 13/16 6"
CHBL652-Y-MIC 3/32 13/16 6"
CHBL852-Y-MIC 1/8 13/16 6"
CHBL1052-Y-MIC 5/32 13/16 6"
CHBL1252-Y-MIC 3/16 13/16 6"
CHBL1652-Y-MIC 1/4 13/16 6"

STYLE "X"

FOR USE ON: FRONT SLIDE L.H / REAR SLIDE L.H.
OR VERTICAL SLIDE R.H.

Click on the Catalog Number to order online!
CAT. NO. WIDTH HEIGHT LENGTH
CHBL432-X-MIC 1/16 1/2 4-1/2"
CHBL532-X-MIC 5/64 1/2 4-1/2"
CHBL632-X-MIC 3/32 1/2 4-1/2"
CHBL832-X-MIC 1/8 1/2 4-1/2"
CHBL444-X-MIC 1/16 11/16 5"
CHBL644-X-MIC 3/32 11/16 5"
CHBL844-X-MIC 1/8 11/16 5"
CHBL1044-X-MIC 5/32 11/16 5"
CHBL1244-X-MIC 3/16 11/16 5"
CHBL452-X-MIC 1/16 13/16 6"
CHBL652-X-MIC 3/32 13/16 6"
CHBL852-X-MIC 1/8 13/16 6"
CHBL1052-X-MIC 5/32 13/16 6"
CHBL1252-X-MIC 3/16 13/16 6"
CHBL1652-X-MIC 1/4 13/16 6"
Somma Tool

Somma Tool Company, Inc.