German DIN5117 F-Clamps for Precise Woodworking and Furniture Assembly

A F-Clamps/german-din5117-f-clamp">German DIN5117 F-Clamp holds panels, frames, and cabinet parts in exact position while glue cures or fasteners go in. It pairs a steel rail and screw rod with malleable cast iron jaws, so the clamp stays rigid under load and resists sudden cracking. Type 80 and Type 120 sizes cover small drawer boxes up to long cabinet runs. The right choice depends on clamping length, reach, rail size, finish, and supplier documentation. This guide explains how the clamp works, how to read its sizes, and how to buy it with confidence.

Specification

Product Model	Specification (mm)	Guide Rail (mm)
DM312	80×150	6×22
DM312	80×200	6×22
DM312	80×250	6×22
DM312	80×300	6×22
DM312	80×400	6×22
DM312	80×500	6×22
DM312	80×600	6×22
DM312	80×800	6×22

What Is a German DIN5117 F-Clamp?

Basic construction and operating principle

A German DIN5117 F-Clamp has a steel rail, a fixed jaw, a sliding jaw, a screw rod with a handle, and a pressure plate. The adjustable jaw is moved along the rail until it is close to the workpiece. The screw rod is then turned to give it one last squeeze. The operator feels how much force to use because the screw does the tightening. Quick-release and one-handed clamps let you make changes faster, but they don't give you as much fine control. For glue-ups where steady pressure is more important than speed, the design that works with screws is a good choice. Since the weight is on the rail, the clamp's ability to bend less depends on how thick and wide it is.

Understanding the DIN5117 reference

The German Institute for Standards (DIN) is what it stands for. The German group that makes rules is this one. It talks about shaped cast iron screw clamps, and the Type 80 and Type 120 labels show two sizes in that group. The sticker says that the pattern comes from a well-known German one, but it's not the same as the paperwork. If someone wants to buy a clamp, they should find out if it was developed, tried, or documented according to the given standard. They should also ask for up-to-date drawings. FLA Industrial & Trading Co., Ltd. makes this clamp with the help of the ISO9001 quality management system. We are only certified in how we do things, not in any one part of our Products" target="_blank" style="color:blue" >products.

Typical applications in professional production

People who work in shops use these clamps to hold a joint still. Even while the glue is setting, the frames are kept square and the sides of the carcass held together. Installers press cabinets against the walls before putting them together. People who work in metal shops clamp parts in place before welding them together, and repair teams use them to fix things quickly. In order to serve fabricators, contractors, and carpentry shops, a distributor doesn't need to keep as many product families in stock. This is because one clamp style can hold parts made of metal, wood, and composite materials. People who buy from and then sell to mixed-trade buyers need that range because they want a steady flow of sales from a few SKUs.

German DIN5117 F-Clamp Specifications and Dimensions

Key dimensions and performance factors

The German DIN5117 F-Clamp length tells you how wide a piece of work it can hold. The reach, which is also known as the throat depth, tells the jaws how far they can go over the edge of a panel. The stiffness is set by the size of the rail. For longer clamps not to bend, the rail needs to be stronger. The screw travel and the design of the pressure plate can change the setup time and the amount of surface contact. It is best to choose a locking length that is longer than the piece being worked on. It will never have to work at the very end of the rail this way. The numbers we enter are paired, like 80×150 mm. The first one fits the Type 80 or Type 120 label, and the second one shows the nominal length. Check the picture to make sure the reach is correct.

Size comparison table for procurement planning

In this table, you can see our two DIN5117 series. You can use it to choose sizes before you ask for a quote.

Model	Type	Specification (mm)	Guide Rail (mm)
DM312	Type 80	80×150, 200, 250, 300, 400, 500, 600, 800	6×22
DM313	Type 120	120×200, 300, 400, 500, 600, 800, 1000, 1200, 1500, 2000	8×30

Since we're always making our process better, the way the product looks and its parameters may change. Please look at the real product and call our sales team to confirm the final prices.

Choosing between Type 80 and Type 120

The lengths of Type 80 range from 150 mm to 800 mm, and they use a 6×22 mm rail. It works for cabinet parts, drawers, and small frames. The lengths of Type 120 range from 200 mm to 2000 mm, and they use an 8×30 mm rail, which makes the backbone of longer spans stronger. These are the right size for wide table tops and long cabinet runs. Having a mix of both types of stock is better for more jobs than having just one big size. People who buy a lot of long panels can start with Type 120 and then add a few Type 80 sizes for small assemblies.

DIN5117 F-Clamp Materials, Load Capacity, and Clamping Pressure

Steel versus cast iron construction

Iron that is easy to bend makes up the bodies of our German DIN5117 F-Clamps. Steel is used for the rail and screw rod. The first step in making malleable iron is to heat-treat cast iron to make it more flexible. ASTM A47/A47M specifies the standards for ferritic malleable iron molds. However, the jaws can handle quick cracks better with soft iron than with gray iron, which is more rigid. Steel rails are strong for how light they are, and a steel screw rod can handle a lot of thread load. The price to pay is weight, because iron jaws add mass that operators feel when they work above for a long time. Casting, forging, cutting, and putting it all together can change the fit and smoothness of the threads.

Surface treatment and corrosion protection

You can pick from types that are painted or zinc-plated. Steel that is coated with zinc is safe because zinc rusts before steel does. Paint protects the metal. If the workshop is dry, you might only need paint. But zinc plating might be better for damp storage or long sea freight. If it is important to you that the metal doesn't rust, ask the seller what test they use. People often use the ASTM B117 salt spray test to compare coats, but just because a coat passes in the lab doesn't mean it will last in the field. Keep the clamps dry after use and clean the screw rod to protect the threads.

Understanding load capacity and clamping pressure

The clamping force is changed by how straight the jaws are, how much the rail bends, and how tight the screws are. The Wood Handbook from the USDA Forest Products Laboratory says that darker woods need more pressure on the glue lines than lighter woods. In other words, there isn't a single choice that works for every job. The wood strands can get broken when you use too much force, and the glue can leak out of the joint. If a seller gives you a force number, make sure it matches the top force that was tested and ask them how it was measured. We put weight on each setup as part of our process to check its clamping force and structural stability. Instead of tightening a few clamps too much when putting together big parts, add more.

DIN5117 F-Clamp Applications in Woodworking and Furniture Assembly

Woodworking and cabinetmaking

In cabinet shops, these German DIN5117 F-Clamps are used to glue panels together, put frames together, and build doors and drawers. First, clean the pieces and then put them together without glue. Then, move the sliding jaw next to the work so that the screw only needs to make a few more changes. Make sure the joint is under the same amount of pressure all the way around. On veneers, MDF, and plywood panels, use pads or cauls to cover the surface and spread the weight. When you tighten space clamps on wide parts, do it one step at a time. Wood changes shape when it gets wet, so make sure the joints stay square while the glue sets.

Furniture assembly and production lines

The clamps need to be strong because furniture companies do the same thing over and over: join pieces together. The moving jaw should be set up ahead of time for each batch. Jigs or boards can hold chair frames and parts in place with clamps. Clean up any glue that's still on the screw rod after each shift, and if the manufacturer says to, store the clamps dry. Shifts can go from one field to another if the sets are paired and come from the same source. They can also keep track of which clamps are used the most and replace those first, so that an assembly doesn't have to be thrown away because the threads are worn out.

Industrial fabrication and welding support

You can also use these clamps to hold metal pieces in place while drilling, grinding, or welding. Cover the screw rod or wipe it clean afterward if you don't want to damage the threads. Do not keep hot metal in your hands for a long time. Before you use a clamp, make sure it works. OSHA's hand tool guidelines say that broken tools should be taken out of service and checked often. So, get rid of any clamp that has a rail that is bent or a thread that is pulled. It's helpful for contractors and maintenance teams that they can use the same set in both the metal bench and the wood shop.

Buying German DIN5117 F-Clamps from a Manufacturer or Supplier

Information for an RFQ

It takes less time to get a correct price when you make your request for a German DIN5117 F-Clamp clear. Write down the models and sizes, the number of items you need, the finish (painted or zinc-plated), the workpieces you clamp, how you want them packed, the port of destination, Incoterms, and any other paperwork you may need. Before you make your order, add up all the items you want to buy. For example, distributors should write down whether a customer wants retail or bulk packaging, and contractors can write down what the job site is like. Send an email to sales@flaindustrial.com with your question. It takes us 24 to 48 hours to get back to you with technical information. If a project needs them, we can also give you 3D designs.

Questions for suppliers and verification

As you look at different suppliers, find out about their samples, drawings, tolerances, materials, lead times, and ways to test for strength. First, try the samples on real frames or panels. Rate how long it took to set up, how comfortable it was for the user, how easy it was to control the pressure, and how safe the surface was. For almost 40 years, FLA Industrial & Trading Co., Ltd. has been making more than 1,000 different kinds of hardware tools, Woodworking Clamps, electrical line tools, and pipe fittings made of copper that can be shaped. The Fortune Global 500 trusts us, and we do business in many places, such as the U.S., Germany, and Australia. Some of the things we do as part of our checks are material inspection, process tracking, load testing, and final inspection.

OEM, ODM, and custom options

If standard sizes don't work for your project, we can work with parts that aren't the standard size or shape. Our team helps with projects from the part where the 3D models are being made to the part where the deliveries are being tracked. It takes seven to fifteen days to finish a custom order. You need to accept drawings, key dimensions, and a pre-production sample before you can make a lot of them. There should also be limits on checks and change processes in the contract. If you want to buy in bulk or place repeat orders, it's best to go directly to the maker. However, area distributors can send small lots more quickly. Don't wait to tell us what you need for branding and packing. We'll let you know what we can do.

Conclusion

It has a steel rail, a screw rod, and cast iron jaws that can be bent to hold woodworking and furniture parts in place, making the German DIN5117 F-Clamp a reliable choice. A well-known design is linked to DIN5117, but the plans, specs, and test methods for the German DIN5117 F-Clamp still need to be confirmed. People can choose the right reach, length, and hardness for the job with rails that are 6×22 mm and 8×30 mm wide in Type 80 and Type 120 versions of the German DIN5117 F-Clamp. Steel that can be bent doesn't break easily, and steel that is painted or zinc-plated can be stored in a number of ways, which matters for the German DIN5117 F-Clamp. To use the German DIN5117 F-Clamp correctly, you need to make sure the pressure is even, the jaws are lined up, there are safety pads, and there is spatter protection close to the welder. When you use clear drawings and test samples on real workpieces with the German DIN5117 F-Clamp, you cut down on mistakes and wasted money.

FAQ

What does DIN5117 mean for an F-clamp?

It's the German standard for shaped cast iron screw clips. People who want to buy something should still ask for drawings, test results, and tolerances, even if the reference shows the design pattern.

Can I use a German DIN5117 F-Clamp for welding?

Yes, it can keep metal parts in place. Make sure the screw rod doesn't get weld dust on it, and check the threads before you use it again.

Which size should I choose?

Choose a clamping length that is longer than the piece you are working on's width. Then, look at the drawing to make sure it fits. The Type 80 is good for smaller pieces, and the Type 120 is good for longer panels because its rails are longer.

Does FLA offer custom orders?

Yes. We work with parts that aren't the usual sizes or shapes, and we get back to people who ask for quotes within 24 to 48 hours.

Request a German DIN5117 F-Clamp Quotation from FLA Industrial & Trading Co., Ltd.

Need a German DIN5117 F-Clamp for your next project? FLA Industrial & Trading Co., Ltd. has been in business for almost 40 years and runs its business with ISO9001 quality management and more than 1,000 product specifications. Send your sizes, amounts, finish, and where you want the goods sent to sales@flaindustrial.com. We'll get back to you in 24 to 48 hours. You can find out more at flaindustry.com.

References

1. Wood Handbook: Wood as an Engineering Material, USDA Forest Products Laboratory, 2021

2. Understanding Wood: A Craftsman's Guide to Wood Technology, R. Bruce Hoadley, 2000

3. ISO 9001:2015 Quality Management Systems – Requirements, International Organization for Standardization, 2015

4. ASTM A47/A47M Standard Specification for Ferritic Malleable Iron Castings, ASTM International, 2018

5. ASTM B117 Standard Practice for Operating Salt Spray (Fog) Apparatus, ASTM International, 2019

6. Hand and Power Tools (OSHA 3080), Occupational Safety and Health Administration, 2002