4/13/2022

Standard T Slot Dimensions Metric

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Standard T Slot Dimensions Metric Average ratng: 4,9/5 7796 votes
  • Metric T Slot Aluminum Profiles
  1. Standard T Slot Sizes
  2. T Slot Nut Dimensions

STANDARD SIZES Nominal Pin Length Length Tolerance Up to 24mm incl. ± 0.40mm Over 24mm to 50mm incl. ± 0.50mm Over 50mm to 75mm incl. ± 0.60mm Over 75mm ± 0.75mm Straightness Gauge Specifications3.

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A major advantage of using modular aluminum framing over welded steel is that the t-slot that allows infinite mounting locations for accessories. Common examples of these are in-fill panels, interlock switches, pneumatic or electronic components, mechanical components, etc. Depending on the profile series chosen you can select a wide variety of thread sizes to best fit the component you are trying to mount. The hardware is typically categorized by a t-slot width designator within the product ID that will allow a fast understanding of commonality with a particular profile size.

Ex: TN10M6 - a t-nut for the 10mm wide t-slot that is found on 40mm profiles and up and will show a symbol. Also, this t-nut has an M6 thread and will work on any profile showing the corresponding t-slot symbol allowing fast reference.

Once the t-slot width is identified it’s a simple choice for thread size based on the component being mounted & the style of fastener desired. The most common fastener type is the t-nut. This is a post-assembly or drop-in style that can be inserted anywhere the t-slot is available. This series nut has an elliptical shoulder which, with a 90° turn, aligns within the upper portion of the t-slot & locks into the t-slot with a strong, vibration proof & electrically conductive connection.

Standard T Slot Dimensions Metric

Roll-in or Drop-in t-slot nuts function in a similar fashion with the additional benefit of having either a leaf-spring, ball-spring or set-screw for retaining their position in the t-slot. This is very beneficial when used for mounting table-tops or surface mounted plates as you don’t want these fasteners to move when the top is un-bolted. These also hold their position when used in a vertical t-slot & won’t slide down or fall out.

T-Bolts are commonly used & function just as the t-nuts do in that they have a similar shaped head with the locking feature & a male thread available in various lengths. Use the –“W” suffix & a flange nut will be included to assist in the mounting of your clad-on panel or other equipment. As you can see below, here are all the aluminum fastener types we carry.

Standard

Fastener Types We Carry

• Roll-In Nuts
• Drop-In T-Nuts

• T-Bolts
• T-Slot Nuts


T-Nuts:

-Different components can be fastened to the t-slot. This could be removable panels, switches, etc.
-The t-nuts have serrations that will provide a secure and electrically conductive connection.

Roll-in T-nuts (Ball-Spring):

-Made for metric profiles.
-They “roll” into position along the t-slot, instead of having to slide in from the end.
-There is a ball-spring plunger for setting a maintained position along a vertical t-slot.

Roll-in T-nuts (Leaf-Spring):

- Made for metric and inch profiles.
- They “roll” into position along the t-slot, instead of having to slide in from the end.
- There is a leaf-spring for setting a maintained position along a vertical t-slot.

Standard T Slot Dimensions Metric

Standard T Slot Sizes

Square T-nuts:

-Made for metric profiles.
-There is a square style t-nut plate that has a threaded hole on the center for light duty holding applications.
-Must be slide in from end of the profile

Drop-in T-nuts (Leaf-spring):

-Made for inch profiles
-They “drop-in” into position along the t-slot, instead of having to slide in from the end.
-T-nut has a leaf-spring for setting a maintained position along a vertical t-slot.

Drop-in T-nuts (Ball-Spring):

-Made for inch profiles.
-They “roll” into position along the t-slot, instead of having to slide in from the end.
-The t-nut has a ball-spring plunger for setting a maintained position along the vertical t-slot.

Drop-in T-nuts (Set Screw):

-Made for inch profiles.
-This drop-in style T-nut is great for heavy duty holding or mounting applications.
-The set screw holds the T-nut securely in both vertical and horizontal orientations.

T Slot Nut Dimensions

T-slot Nuts (Slide-in):

-Made for metric profiles.
-This “stepped” T-slot nut has a large surface area that can be used for any heavy duty holding or mounting applications.
-Can only be slid in from the end of the profile.

Standard T-nuts:

-Made for inch profiles.
-Standard T-nut that is used for heavy duty holding or mounting applications.
-Must be slid in from the end of the profile.

Economy T-nuts:

-Made for inch profiles.
-Slide-in style T-nut that can be used for any light duty application.

Double Economy T-nuts:

-Made for inch profiles.
-This economical slide-in T-nut can be used for any light duty holding or mounting application.

T-bolts:

-Made for both metric and inch profiles.
-Useful for fastening panels or components to the T-slot.
-Serrations provide an electrically conductive and vibration proof connection.
-Can be used as a grounding lug for ESD applications.