Testrite Instrument Co., Inc. | Screw On End Caps

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Round Telescoping Tubing Locks

Clutch Telescopic Tube Lock (A) Split Collar Telescopic Tube Lock (B) Telescopic Tube Clamp (L) Lever Lock Cam Telescopic Tube Lock (C) Shock Cord Tubing (D) Non-Locking Telescopic Tube (E) Spring Button Telescopic Tube Lock (F) Spring Button Clutch Telescopic Tube Lock (FA) Snap Lock Telescopic Tube Lock (G) Set Knob Telescopic Tube Lock (H) Mini Economy Telescopic Tube Locks Swaging for Aluminum Tubing

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Square Telescoping Tubing Locks

Square Tubing Snap Lock & Spring Button Square Telescopic Tubing with Spring Button (Only) Square Telescopic Tubing With Retaining Pin Square Telescopic Tubing with Knurled Screw Square Tubing Square Telescopic Tubing Snap Lock

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Round Tubing And Oval Tubing

Round Telescopic Aluminum Tubing Non-Rotating Telescopic Aluminum Tubing Round Steel Telescopic Tubing Oval Aluminum Tubing

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Tube Ends, Joiners, & Attachments

Die Cast L Corners Solid Aluminum Threaded Bushings Tube Expansion and Indenting Rubber End Caps and Crutch Tips Threaded Connector (low cost) Plastic End Cap Closures Foam Handles and Grips Metal Leg Spikes Flattened Paddle End Plastic Phenolic Knobs Male and Female Aluminum Pucks Angle Cut End Tubing with Embedded Compression Spring Snap-On Plastic Flats Graphic Sign Channels VM Clamps Tube Notched Ends for Joining Fabricated Steel U Channels Embedded Washer Aluminum Shaft Collar with Set Screw Tube Bending Screw On End Caps Tube Piercing Swaging Swaged aluminum tubing Spring Button Telescopic Tube Ends Welding Spring Buttons Strengthened Plastic 3-Way Snap Corners Threaded Connectors Plastic 3-Way Snap Corners Assemblies Solid Aluminum Bushing 1" & 1-1/4" Plastic L and T Corners Rolling Casters Swivel Mechanisms and Swivel Joints Sign Holders and Graphic Holders Gas springs for telescopic tubes Leveling Glides Screw Machine Fittings Hinge eye and custom fittings External Tube Thread Custom Wire Forming

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1" Square Tubing System - Build-A-Stand

1” Square Steel Tubing 1” Square Tubing L Corner 1” Square Tubing 3 Way Corner 1” Square T Connector Custom Powder Coated 1” Square Tube Joiners Custom Steel Brackets Threaded Holes Welding 1” Square Aluminum Tubing Threaded Connectors Logo Printing Solid Aluminum Bushing Rolling Casters Sign Holders and Graphic Holders Leveling Glides

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Gold Aluminum Tubing, Gold Steel Tubing, & Brass Plated Parts Etched and Clear Anodized Aluminum Tubing Custom Powder Coated Mill Finish Aluminum Tubing Black Matte Telescopic Tubing Logo Printing Exterior Knurling Tubing

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Tables, Table Legs, & Table Parts

Screw on Table Legs Table Leg Angled Brackets Swivel Table Legs Round Table Legs Telescopic Round Table Legs Fixed Square Table Legs Telescopic Square Table Legs Fixed Swedge and Spring Button Table Legs Folding Table Legs 1” Square Tubing System Tables Graphic Wrapped Tables Precision Table Legs / Mini Table Legs Fold in half table leg Rolling Tables / Carts / Kiosks Table leg end treatment / table feet

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Stands & Stand Parts

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Bases, Mounts & Clamps

Square and Rectangular Steel Bases Round Steel Bases Laser Cut Custom Steel Bases Rolling Bases Custom Steel Clamp Bases Tubular Bases Formed and Welded Steel Bases Travel Bases Custom Tripod Bases Wall flanges and mounts Mounting Flanges Drop Ceiling Grid Mounts Magnetic Bases Clamps for Round Tubes

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Complete Telescopic Tubing Assemblies

Tube Join Outdoor Farm Antenna B-Lock Telescopic Poles Remote Medical Swabbing Device Bioquip Dipper Handle 1132H

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Wire Forming & Steel Wire Fabrication Tube Bending Laser Cutting Swaged Tubing Automatic Screw Machining Drill or Punch Holes Tube Expansion Ring and Stop Line Tube Milling, Punching and Piercing Threading Tube Notching Round corners Logo Imprinting Riveting Welding Cut to Size Building Tools and Dies Miter Cutting

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Steel sheet

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Fabric Laser Cutting

Round Telescoping Tubing Locks

Square Telescoping Tubing Locks

Round Tubing And Oval Tubing

Tube Ends, Joiners, & Attachments

1" Square Tubing System - Build-A-Stand

Finishing

Tables, Table Legs, & Table Parts

Stands & Stand Parts

Bases, Mounts & Clamps

Complete Telescopic Tubing Assemblies

Machining

Sheet Metal

Laser Cutting

Screw On End Caps

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Testrite can manufacture internally threaded aluminum end caps to mate with our aluminum tubing. We thread the outside of our tube with a like thread to enable easy attachment. Caps can be made smooth or with a knurl pattern. We can customize the OD of the end cap, as well as the height and depth.

These custom end caps are most commonly used to store parts or accessories inside of a fixed or telescopic tube.