Technical Info
Contact Info

Precision Ground Solid Carbide
Roll-Rite, Inc. is a supplier of precision ground carbide rod.  Customer Satisfaction is the number one concern at Roll-Rite, Inc.

We have the resources to offer you unground, ground, or ground and polished carbide rod from .0156" to 3-1/2" diameter. We carry a large of selection of standard sizes but can grind to any diameter  in between. Our standard tolerance is (+.0/-.0005). At your request we can hold (+.0001/-.0001) tolerance on the diameter.
We will also cut to your desired length.
We supply 10% Sub-Micron for our standard rod and blanks. Other grades require special quoting. Optional grades are available.

Coolant Hole Carbide
Coolant hole material is available in a variety of bolt holes and bolt circles and can be cut and ground to your required size and tolerance.
Coolant hole material is available in:
1 hole Straight
2 hole Straight
2 holes w/ 30º helix
3 holes w/ 30º helix
2 holes w/ 40º helix
3 holes w/ 40º helix
There are many variations in rod and blanks available. Our staff will be happy to quote the carbide rod required for your application.
Special Carbide Requests
Roll-Rite, Inc. specializes in precision ground carbide rod made to your specific needs, including chamfers, high polish, points, etc.
*Contact customer service for your special quotation.

Rol-Rite Knurls
Everyone at Roll-Rite, Inc. works to serve your account quickly and accurately.  We stock a large assortment of knurls for same day shipping. Special knurls can be manufactured to your blueprint.

Rol-Rite Knurls are made to extremely high standards from the finest material  available. The care and precision used in their manufacturing assure the user of
a premium quality tool. The High Speed Knurl, lapped to a smooth hard finish will
give longer life and impart a smooth clean surface to the knurled part.
Left hand knurling produced by right hand knurls.  Right hand knurling produced by left hand knurls.  Male diamond knurling produced by right hand and left hand knurls used in pairs.  Male diamond knurls produce female diamond patterns.

 All stock knurls are made from high speed steel and without bevels.  When requested bevels will be furnished without added cost.
Rol-Rite Precision Lapped Knurls
Rol-Rite Lathe Knurls & Knurl Pins
When ordering special knurls please furnish blueprint of knurl desired, or specific information as outlined below:
1. Outside diameter of knurl.
 2. Overall width of knurl.
 3. Size of hole in knurl.
 4. Dimension of any shoulders desired,      
     giving width and diameter of each.
 5. Knurl pattern, straight, diagonal, male or
     female diamond. Diagonal or diamond 
     teeth normally cut with a 30 degree
 6. Number of teeth on knurl. An odd
     number of teeth is usually preferred over
    an even number.
 7. Tooth angle 70 degree or 90 degree for   
     circular pitch and 80 degree for 
     diametral pitch.

(We can reference a chart for approximate increase in diameter.)