Specification Brand : Small Parts BulletPoint1 : Body Material is Steel BulletPoint2 : Nose Material is Black Delran BulletPoint3 : No Locking Element on Threads 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 : Black ItemName : TE-CO 52104X Spring Plunger with o Locking, 5/16-18,1 (Pack of 5) ItemPackageDimensions_Height : 15.2 centimeters ItemPackageDimensions_Length : 1.2 centimeters ItemPackageDimensions_Width : 12.1 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : ball-nose-spring-plunger Manufacturer : TE-CO Material : steel Material1 : stainless_steel_303 Material2 : steel ModelNumber : 52104X NumberOfItems : 5 NumberOfPieces : 2 PartNumber : 52104X01 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 pull ring adopts a round head design and has a pull ring that can be rotated 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.