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Used as an end vise, the Veritas

®

 Twin-Screw Vise is very 

versatile. It can, and should, have vertical dog holes drilled 
on the top face of the front jaw and corresponding dog holes 
on the top of your bench for clamping large objects or for 
panel gluing. Holes can also be drilled horizontally in the 
side faces of the front jaw and corresponding holes along the 
side of your bench to clamp objects such as doors for planing. 
The dog holes in the front jaw should be counterbored 1

"

 dia. 

by 2

"

 deep from the bottom of the jaw. This will allow you to 

reach under and push the dog above the surface, if it should 
slip under. On account of the relatively tall front jaw (6

"

+), 

the dog holes may have to be drilled from the top side, in the 
same position as the counterbores in the bottom side.

Vertical dog holes drilled along the top of your bench can be 
used in conjunction with Veritas

®

 Round Bench Dogs, Bench 

Pups

®

 or Wonder Dog

®

 Clamps, and Bench Hold-Down. 

3

/

4

"

 holes should be drilled. Horizontal holes drilled in the 

front jaw and corresponding holes drilled horizontally in the 
bench skirt will enable you to clamp large panels or doors for 
planing, etc.

IMPORTANT NOTE:

If you are the kind of person who only looks at instruction sheets 

after

 

something goes wrong, this is one product where you should mend your 
ways. If you ignore these instructions, we can almost guarantee trouble.

Please try to save all your innovative design urges until after you 
have installed the vise. As a bare minimum, at least read through the 
instructions before you start being creative.

The two easiest ways to screw up are:
• 

By drilling holes in the wrong place and at an angle.

• 

By using warped wood with the intention of straightening it out 
with bolts, screws and brute force later.

It isn’t a lot of fun to follow instructions exactly but this is one time 
when it will save you a lot of grief.

Boards glued up on top surface 

between round bench dogs.

Large panel or 

door clamped 

along the 

side of your 

workbench using 

horizontally 

drilled holes in a 

skirt and round 

bench dogs.

Twin-Screw Vise

Vise with standard-length cover (for center-to-center screw distance up to 16

7

/

8

"

) 05G12.21

Vise with long cover (for center-to-center screw distance up to 24

"

) 05G12.22

U.S. Patent Nos. 5,301,934 & 5,284,331

Made in Canada

Summary of Contents for Twin-Screw Vise 05G12.21

Page 1: ...es drilled horizontally in the bench skirt will enable you to clamp large panels or doors for planing etc IMPORTANT NOTE If you are the kind of person who only looks at instruction sheets after something goes wrong this is one product where you should mend your ways If you ignore these instructions we can almost guarantee trouble Please try to save all your innovative design urges until after you ...

Page 2: ...nter to center screw distance The vise with the long cover 05G12 22 comes with an additional 53 long chain allowing a center to center screw distance of 24 If you require a closer center to center screw distance the chain and cover supplied must be reduced in length To shorten the chain you must file the peened heads off the link pins both ends and remove the figure eight shaped side piece This wi...

Page 3: ... thickness plus 1 The throat depth may be increased by making deeper jaws and mounting the screws lower if desired The jaw should cover the entire end of your bench to prevent vise alignment problems due to seasonal wood movement Note to Builders of a Veritas Workbench If you are installing the Veritas Twin Screw Vise on a bench built according to the Veritas Workbench Plans 05L06 02 05G15 12 or 0...

Page 4: ...lled we recommend coating the screws with grease Wipe off anythatendsuponthethreadcrown Itiseffectiveonlyonthesides and root of the thread anyway Don t worry about grease coming in contact with your work the steel dowel pins prevent that Installation Steps 1 Ensure that all parts are present two vise screws with nuts T handles sprockets thrust plates and washers two vise handles four end caps one ...

Page 5: ...itled Fitting the Rear Jaw to Your Bench After the rear jaw has been installed insert the 3 8 dia steel pins by tapping them into place if loose secure them with epoxy There should be no more than 11 2 protruding from the jaw 10 You are now ready to assemble your front jaw When assembling your front jaw check the marks made earlier to be sure it is oriented the same as when you drilled the holes W...

Page 6: ...ht plane the top jaw surfaces flush with the adjacent bench top Now lubricate the vise screws as explained earlier and your vise is ready to use Note Due to the nature of the design of the Veritas Twin Screw Vise the front jaw may have a tendency to drop from vertical when fully extended Unlike most vises there are no guide rods present We cannot put guide rods on our vise because it has been desi...

Page 7: ...nt of these holes is to put each end cap on the handle ends before drilling the 9 64 pilot hole Remove each end cap and enlarge the hole in it to 11 64 Secure the end caps in place with the 8 11 4 long round head screws provided To assemble the speed knob take one of your handles right side if you are right handed and drill a 17 64 hole through the center see illustration below Then using a 1 4 20...

Page 8: ...nuts Re try Chain may be too tight Go to Are main screws and nuts clean and well greased Are there any obstructions interfering with smooth operation of main screws such as the bench top or table legs Yes Yes Yes No No Yes No No Add shims between the thrust plate and the front jaw until the main screws are parallel to one another Are main screws square to front jaw face and parallel Yes No Add shi...

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