About Our Hard Jaws
If you’re thinking of replacing your Vice Jaws, the first thing to know is….not all Vice Jaws are equal! This page will (hopefully) explain why our ViceWorks Hard Jaws are a cut above the rest (literally).
The Knurl
ViceWorks Hard Jaws have a ‘File-Cut’ knurl
This is one of the most important elements and is the principle reason why our Jaws are superior. The image below shows a ViceWorks Jaw.
The process we have developed produces a knurl that ‘bites’ into the material being held… due to its ‘file-cut’ pattern. This knurl can only be achieved through a process of ‘cutting’ the face of the jaw in a linear way, using a single point cutting tool. This achieves a superior knurl.
Other Jaws
The images below shows the ‘knurl’ on other Jaws…as supplied by most manufacturers. As you may see, these Jaws are nothing more than groves in the face which provide no ‘Bite’, unlike our ViceWorks Hard Jaws.
Material
ViceWorks Hard Jaws are made from cold drawn Engineering Steel, fully machined and Case Hardened.
Hardness
Our Jaws are Case Hardened to a Rockwell value of 56 to 58 (HRC).
Case Hardening ensures a strong yet wear resistant Vice Jaw, far superior to the 'mass produced' products which have swamped the market for decades.
Our Hard Jaws are what they say on the tin, ‘Hard’.
Precise
All our Jaws are CNC machined to ensure a repeatable and precise product.
Shop for Hard Jaws
Pls click on one of the images below, to find Jaws made to fit the make or brand of your vice. We make replacement HARD JAWS to suit every Vice ever made in the UK, plus many more.
About Our Soft Jaws
Types of Fibre Jaw
We manufacture two different types of Fibre Jaw, the difference being the material used to produce the metal frame and the design of the ‘Tabs’.
Single Tab
Manufactured from sturdy 1.2mm aluminium frames, these jaws are best used where the following factors are preferred:
Working environment constraints
- Non ferrous material
- Low-Spark
- Corrosion Resistant
Ease of installation/removal
Double Tab
Double Tab jaws have the following advantages:
Firm Attachment to Vice
- Additional tabs ensure the jaws remain in place during fitting/bench work.
Heavier Duty
- Available in structural grade steel, the Double Tab jaws are better suited to heavier duty applications.
Materials
Frames
We manufacture our Fibre jaws with frames made from Aluminium or Steel. All frames are CNC profiled and folded, not stamped.
Fibre Pads
All our fibre jaws are made with the same Fibre material, which is specifically produced for us, for our Fibre Jaws. The fibre material is.
Vulcanised Fibre Composition
- A very strong, laminated composite (NOT PLASTIC)
Chemically resistant, to:
- Oil and Greases
- Water Resistant
- Solvent, Petrols and Mineral based spirits.
Heat and Flame Resistant
- Unlike 'plastic' jaws, the material will withstand exposure to heat and flame.
Stress Tested
We test our fibre material to ensure it stacks up to our expectations. The images below show sample materials undergoing stress testing
Oil Based Test
The sample below was submerged in an oil solution for 7 days. No delamination was observed and the material remained serviceable, maintaining its core material properties
Solvent Based Test
The sample below was submerged in a solvent solution for 24 hrs. No delamination was observed and the material remained serviceable, maintaining its core material properties
How to order the right size for your vice
To suit RECORD and Irwin Vice
If you have a RECORD or Irwin Vice, we supply the Jaws to suit the Vice model number, for example, the No23 pictured below.
Click here or on the image below to be taken to our collection to suit RECORD and IRWIN Vice 
All other Vice brands
We also list our fibre jaws by the nominal width of the Vice they are to be used on. So, if your vice has 5 1/4 inch standard jaws, you should purchase a set of 5 1/4 inch fibre jaws
Click on the image below to be taken to our collection to suit Vice by size
How will our Fibre Jaws be supplied?
Our jaws are supplied ready to fit, only requiring the end tabs to be bent around the ends of your vice. This ensures the jaws will fit to your specific casting.
