INNOVATIVE COMPONENTSNonlocking Pull-Ring Retractable Spring Plungers

INNOVATIVE COMPONENTS Spring Plunger: Steel, 1/2"-13 Thread

SKU 3G-OTH-401703

Also listed as: GP8CSR21 · GP8C SR 21 · GP8C-SR-21

Brand

INNOVATIVE COMPONENTS

Item

Spring Plunger: Steel, 1/2"-13 Thread

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

INNOVATIVE COMPONENTS

Manufacturer Part Number

GP8C--SR-----21 

Type

Without Thread-Locker 

Thread

1/2"-13 

Technical Documents

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INNOVATIVE COMPONENTS Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The INNOVATIVE COMPONENTS Spring Plunger is a nonlocking pull-ring retractable spring plunger made of steel, with a 1/2"-13 thread and without thread-locker (MPN GP8C--SR-----21). This component is designed for applications requiring a manually retractable plunger with a pull-ring for easy engagement and disengagement.

Frequently Asked Questions

What is an INNOVATIVE COMPONENTS spring plunger used for?

An INNOVATIVE COMPONENTS spring plunger is used in industrial fixturing and positioning applications. It provides a retractable, spring-loaded detent to locate, lock, or index workpieces in machining, assembly, and material handling setups. The pull-ring design allows quick manual retraction without tools.

What are the specifications of the INNOVATIVE COMPONENTS GP8C--SR-----21 spring plunger?

The INNOVATIVE COMPONENTS GP8C--SR-----21 is a nonlocking pull-ring retractable spring plunger with a 1/2"-13 thread and steel construction. It is supplied without thread-locker. This model is designed for reliable indexing and positioning in industrial equipment.

Where to buy INNOVATIVE COMPONENTS spring plungers worldwide?

3G Electric supplies INNOVATIVE COMPONENTS spring plungers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the GP8C--SR-----21 or other spring plunger configurations.

How to install an INNOVATIVE COMPONENTS spring plunger?

To install an INNOVATIVE COMPONENTS spring plunger, drill and tap a 1/2"-13 threaded hole to the recommended depth. Insert the plunger and tighten with a wrench on the hex body. For the pull-ring version, ensure the ring is free to rotate. Do not over-torque. Always follow the manufacturer's installation guidelines.

Used in

Common applications for INNOVATIVE COMPONENTS

Fixture positioning — INNOVATIVE COMPONENTS pull-ring spring plungers (GP8C--SR-----21) for locating workpieces in welding jigs.

Tool change indexing — INNOVATIVE COMPONENTS knurled-knob plungers (GP8C--SM--L--21) for locking tool holders in CNC turrets.

Conveyor gate stops — INNOVATIVE COMPONENTS weld-mount indexing plungers (GI1/2T1.5-B-TR6) for adjustable stop positions on sorting lines.

Assembly line detents — INNOVATIVE COMPONENTS spring plungers (GP6C--SR-----21) for temporary retention of covers or panels.

Machine guard locking — INNOVATIVE COMPONENTS nonlocking plungers (SP4C--SK3----21) for quick-release safety barriers.

Pallet registration — INNOVATIVE COMPONENTS pull-ring plungers (GP1C--SR-----21) for aligning pallets on automated transfer systems.

INNOVATIVE COMPONENTS Products

3G Electric supplies INNOVATIVE COMPONENTS nonlocking pull-ring retractable spring plungers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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