A Kreg Jig or pocket hole jig uses a guide block with preset holes to drill angled pocket holes in a workpiece. A pocket screw, specifically designed to be used with pocket holes draws the two workpieces together to form a strong joint.
How does a jig work?
a jig is a type of tool used to control the location and/or motion of another tool. A jig’s primary purpose is to provide repeatability, accuracy, and interchangeability in the manufacturing of products. A device that does both functions (holding the work and guiding a tool) is called a jig.
Can I use pocket holes on plywood?
Pocket screws are available in coarse thread and a fine thread. Use coarse thread pocket screws for softwoods like pine, plywood, particle board and MDF. Use fine thread pocket screws for hardwoods like oak, maple, hickory, cherry, walnut and birch.
How strong is a pocket hole joint?
The superior strength of a pocket hole joint has actually been proven. Independent testing found that a pocket screw joint failed at 707 pounds when subjected to a shear load while a comparable mortise and tenon joint failed at 453 pounds – meaning that the pocket screw joint was approximately 35% stronger.
Do you need a jig to make a pocket hole?
All you need is the jig, a drill (that can also act as a driver), and pocket hole screws. … A drilling guide, a stepped drill bit and depth collar, and a long drive bit. The drilling guide typically has two or more holes so you can create two pocket holes in wide boards.
Can you use a Kreg jig on 2×4?
The Kreg Pocket-Hole Jig HD is optimized for working with 2x4s and 1 1/2″ thick and larger stock. It utilizes #14 heavy-duty, hardened-steel screws that provide incredible shear-resistance, as well as three anti-corrosion layers for incredible long-term moisture resistance.
What is the strongest wood joint?
Mortise and Tenon Woodworking Joints
One of the strongest woodworking joints is the mortise and tenon joint. This joint is simple and strong. Woodworkers have used it for many years. Normally you use it to join two pieces of wood at 90-degrees.
Are Kreg tools any good?
In my opinion, the Kreg K5 is a great tool for drilling pocket holes in 1×2, 1×3 and 2×4 material as well as smaller pieces of plywood. It is not a good all around pocket hole jig, if it is the only jig you have because you can not easily use it to drill holes in larger project material.
Why do people not like pocket screws?
Partly it’s that people feel offended that someone can do things faster than them, and so they call it “cheating.” Pocket screws are quick and easy, so they must be a cheat of some kind. That said, there are some legitimate concerns with pocket holes.
Are pocket holes or dowels stronger?
Mortise and tenons were twice as strong as pocket holes. That said, half as strong as a mortise and tenon joint is actually pretty good for something quick and dirty. … The dowel joints were 1.5x stronger than the pocket hole joints.
What is stronger dowels or screws?
Dowel Strength
Dowel joinery is stronger than screw joinery. The increased glue surface caused by the glue deeply penetrating the wood gives the dowel more holding power. … Dowels also have superior holding power in modern composite materials such as particleboard and plywood.
Where do you put the Kreg jig on a 2×4?
Kreg Advice
- Thickness refers to the thickness of your boards. if you’re joining 2×4’s you’ll want to set the jig at 1.5 inches and if you’re joining 1×6 you’ll set it at 3/4 of an inch. …
- Set the clamp as well as the setting on your drill collar to the thickness of the wood.
Can I use a Kreg Jig 320 on 2×4?
Answer: The Kreg 3″ Clamp would work great to secure the Kreg 320 to a 2×4. Question: Can this Jig be used with 2 inch thick wood?
What depth should I set my Kreg jig for 2×4?
Kreg Jig K4 Material Depth Guide Locations
Match the line to the edge of the assembly for your material thickness setting. This one is set to 1-½” for drilling into a 2×4.
How do you join a 2×4 at 90 degrees?
Nail the horizontal 2×4 into the vertical 2×4 about 1/4 of the way down from the top of the vertical 2×4, so they are at a 90 degree angle. The way I’ve been nailing this scenario is to just nail through the vertical 2×4 at a 0 degree angle, directly into the middle of the end piece of the horizontal 2×4.