Specification Brand : HARFINGTON BulletPoint : Please select the model you need to buy BulletPoint1 : Size - M5*0.5 thread size, thread length: 10mm / 0.39 inches, pin diameter: 2.5mm / 0.10 inches. Small and lightweight for easy carry with you. BulletPoint2 : Material - The spring pin is made of stainless steel, which is rust-proof, corrosion-resistant, heat-resistant, and durable. BulletPoint3 : Feature - The spring plunger with a knurled handle for manual expansion and contraction. And equipped with nuts to lock in various mechanical equipment. BulletPoint4 : Application - A telescopic lock pin is an indispensable accessory in the machinery industry, which can prevent inaccurate positioning and errors in pinhole matching. It is widely used in chassis, cabinets, electrical appliances, automotive, or the positioning and limit structure design of precision instruments such as jigs and fixtures. BulletPoint5 : Instructions - By operating the knob to pull out or insert the pin, you can easily and quickly locate and fix the mechanical elements of the workpiece. Color : M6*13 DriveSystem : Slotted ExteriorFinish : Steel ExternallyAssignedProductIdentifier : 9308967838416 ItemName : HARFINGTON 2Pcs Spring Plunger with Knurled Handle M5x0.5 Pin Dia.2.5mm Retractable Release Pins Stainless Steel Non-Locking Retractable Index Plunger for Industrial Equipment ItemPackageDimensions_Height : 0.39 inches ItemPackageDimensions_Length : 5.51 inches ItemPackageDimensions_Width : 3.94 inches ItemPackageQuantity : 1 ItemTypeKeyword : ball-nose-spring-plunger Manufacturer : HARFINGTON Material : Stainless Steel MeasurementSystem : Imperial MetalType : Alloy Steel ModelNumber : THXW NumberOfItems : 1 NumberOfPieces : 2 PartNumber : hta240129hh000938 PinType : Spring ProductDescription : The spring pin is made of stainless steel, which has high hardness, corrosion resistance, rust resistance, and durability. The spring plunger with a knurled handle for manual expansion and contraction. And equipped with nuts to lock in various mechanical equipment. It is an important part or component of the machine. It is used for locking and fixing the base of the optical axis fixture and is practical and convenient. widely used in precision structural positioning and limit design in non-standard automation industries and tooling fixtures. It is also used in cabinets, electrical appliances, and cars.