• We love to hear (and see) how our parts are used. Thanks for the great video! "We use Spanclamps for our project ‘’Continental’’. It is a PSB mounting application in plastic housing using an electric press. There are three reasons why we need interchangeable nests. We chose Anemo for precision centering and fixing." See it for...
  • Question: I have a question about the  Vertical Quick Clamp https://www.spanclamps.com/quick-clamps-flanged) The description says that the handle position can be changed by 30°: Does that mean 12 possible positions of the handle, or only 2 positions?    Answer Yes, you can have different... read more
  • Question: In the indications for roughness for the bar where the sliding locking mechanism is going to move (see image). Should this value be exactly 6.3 µm or should it be a maximum of 6.3 µm and all lower values are suitable for the application? Answer: Regarding your question on the surface roughness of steel bar... read more
  • Question: I wonder how much the Spanclamps holding force is? Answer The holding force, you mean probably with this the clamping force. It depends on the model you utilize. In the meantime high clamping force models have been designed. See here some possibilities for "holding force": https://www.spanclamps.com/... read more
  • [container different_values="0"] [html format="ckeditor" different_values="0"]For quarter turns SCQT, if these are resistant against -40°C ?These fasteners have grease inside of the housing and the lowest resistant temperature is -20°C.So the grease could be frozen and the knob could be stuck.But it depends on how long the fastener is... read more
  • [container different_values="0"] [html format="ckeditor" different_values="0"]Request of Customer :When we get a request from a customer to have a modified quarter turn.Would you require 500 pieces or 100 pieces?For instance for a special requirement of using another lubrificant or O-ring or another component, I think you’ll need 500... read more
  • [container different_values="0"] [html format="ckeditor" different_values="0"]The clamping force of SCPVT2500 clamps depends on the air pressure.For example, the clamping force of individual clamp at 0.5 Mpa is 2.5kN.In use of 5 units, the clamping force will be five times.More info from page SC-182 in the catalogue :The allowable... read more
  • QUESTION: Spanclamps has a a torque recommendation for PN SCQT-LH0610/SCQT0610-LH ? We are installing the quarter turn knobs onto a plexi plastic cover assembly ( plastic spec is polycarbonate, UL 94HB). We are trying to get a recommended torque value for the screws, part number 92010A004 (M2x0.4, 8MM Long, 90DEG Flathead... read more
  • A major worldwide manufacturer of off the shelf switch mode power supplies used to use self-produced clamps for clamping two plates. Their production line was shut down a lot for repairing damaged clamps due to heat hardening. Since they use quarter-turn fasteners, they reduced costs (by 70%!) and the clamps are maintenance-free (... read more
  • Your company manufactures machine parts, and you use fixtures of automated production machines to mount screws to the machine part body. Have you ever considered using ball lock clamps and button lock pins? Many applications require "changeovers" that involve changing and replacing about 10 times a day, as a machine produces many... read more
  • We are proud to present you the extended line of Quick Clamps. It covers a wide range of clamping applications for small parts, and aluminum, zinc, cast-iron or steel parts. Quick Clamps reduce setup time in machining, assembly, inspection and testing fixtures for various industries: Aerospace Automobile Industrial machine... read more
  • A Quick dismantling lock spanclamp is a fast-disassembling system, including different fixing elements for panels  The Quick dismantling lock Spanclamps provide a clear indicator ON / OFF for fast-disassembling  The advantages of Quick dismantling lock are several, as well as convenient assembling and... read more
  • [container different_values="0"] [html format="ckeditor" different_values="0"]1. High position of handle and clamping armThe dotted line shows the high position.The dimension H1 means the lowest arm position and it moves up by 5mm (clamping stroke). The arm can move up a little bit more but we recommend using the clamp within the... read more
  • [container different_values="0"] [html format="ckeditor" different_values="0"]I am writing this bllog to inform you of the modification of some of Spanclamps quarter turns.  We decided to modify these products to improve the product quality.There will be no changes in the product numbers with this modification change.The obsolete... read more
  • [container different_values="0"] [html format="ckeditor" different_values="0"]What is the clearance between the stud and the receptacle for Spanclamps quarter-turn SCQT?The customer is in the process of finalizing their design.It has a clearance of 0.5mm between the stud and the receptacle.Is it correct ?The clearance between the stud... read more
  • [container different_values="0"] [html format="ckeditor" different_values="0"]Spanclamps works on a new project with Spanclamps quarter turns.  Application is a tool for machine industry.Customer use now CHC screws and would like to use the SCQT0614-HS with SCQTRBI12.Actual solution :Solution change with Spanclamps quarter turn :... read more
  • On the product page of BALL-LOCKING QUARTER TURNS and BALL-LOCKING PUSH-PUSH it is shown that there is a limited guaranteed clamping force of 30N which is 3kg or 50 N which is 5Kg,  this is done by the balls that push against the side of the receptacle. The product is made so that that the fastener makes sure that both... read more
  • One of our customers was looking for a way to safely secure the tooling of a cutting machine while it was running. Besides that, the tooling also needs to be changed sometimes, and it has to be done in a minimum of time. SpanClamps can meet up to those two requirements. By using SpanClamps you are sure that the tooling is safely... read more
  • [container different_values="0"] [html format="ckeditor" different_values="0"]Spanclamp ball locking quarter turn and ball locking receptacle stainless steel with electrical sensor eliminate a human error and allow assured clamping in machine changeover.The electrical sensor receptacle detects the clamping status and sends an electric... read more
  • The half-turn fasteners secure almost everything very quickly and they are also called SpanClamps. The half-turn fasteners are widely used for different purposes. For all the needs exists a large variety of handles for half-turn fasteners. Matching the requirements you can choose the material of... read more
  • [html format="ckeditor" different_values="0"]Yes we offer locating pins, round and diamond type.typically you need one round pin and one diamond pin.a special tool is required to extract the pins, when installed.       [/html] read more
  • [html format="ckeditor" different_values="0"]The receptacle SCRHDBI cannot be made completely of stainless steel.We can make the receptacle SCRHDBI in stainless steel but we can not change the material of the collar.The collar prevents the balls from dropping off and the balls are pushed against the collar when clamping. So the... read more
  • [html format="ckeditor" different_values="0"]The shear load of a spanclamp that is shown in the catalog is always static load.The shear strength of 3000N is the static load of part SCQTRHD0620We do not have any data of dynamic loads because there are countless cases.And the 3000N shear strength does not have any safety rate, the... read more
  • Thank you for your request. Yes we can do modfications to our standard product. Quantity will though be required, and we would want to know the real application. Example: a Spanclamp could be used into vacuum, but then the oil that is used into the spanclamp needs to be compatible, so that the functionality of the system is...