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INNOVATIVE COMPONENTS Nonlocking Knurled-Knob Retractable Spring Plunger - Nonlocking Knurled-Knob Retractable Spring Plungers
INNOVATIVE COMPONENTSNonlocking Knurled-Knob Retractable Spring Plungers

INNOVATIVE COMPONENTS Nonlocking Knurled-Knob Retractable Spring Plunger

<p>The INNOVATIVE COMPONENTS Nonlocking Knurled-Knob Retractable Spring Plunger (MPN: SP4C--SK3----21) is a versatile, manually operated plunger designed for positioning, locking, and quick-release applications…

SKU 3G-OTH-181341

Also listed as: SP4CSK321 · SP4C SK3 21 · SP4C-SK3-21

Brand
INNOVATIVE COMPONENTS
Item
Nonlocking Knurled-Knob Retractable Spring Plunger
Part Number
SP4C--SK3----21
Category
Nonlocking Knurled-Knob Retractable Spring Plungers
Available to Order
Also known as:SP4C--SK3----21INNOVATIVE COMPONENTS
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

INNOVATIVE COMPONENTS
Manufacturer Part Number
SP4C--SK3----21
Type
Without Thread-Locker
Thread
1/4"-20

Technical Documents

No technical documents available for this product.
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INNOVATIVE COMPONENTS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

<p>The INNOVATIVE COMPONENTS Nonlocking Knurled-Knob Retractable Spring Plunger (MPN: SP4C--SK3----21) is a versatile, manually operated plunger designed for positioning, locking, and quick-release applications. Featuring a 1/4"-20 thread and a knurled knob for easy grip, this nonlocking model allows for retraction without thread-locker, making it ideal for frequent adjustments. Constructed from durable steel, it suits jigs, fixtures, and machinery in manufacturing and maintenance.</p><p>For Singapore procurement, 3G Electric offers SGD quotes on request, handles GST for local buyers, and provides fast delivery across Singapore and Southeast Asia. Worldwide shipping is available.</p>

Frequently Asked Questions

What is the thread size and type of this spring plunger?

The thread size is 1/4"-20, and it is a nonlocking type without thread-locker.

Can I get a quote in SGD and what about GST for Singapore orders?

Yes, SGD quotes are available on request. For Singapore buyers, GST is handled by 3G Electric.

Used in

Common applications for INNOVATIVE COMPONENTS
Jig and fixture building — Innovative Components weld-mount indexing plungers (e.g., GI3/8-1.5LOB-B3) for secure positioning and locking.
Workholding — Nonlocking ball-knob indexing plungers (e.g., GI1/2S1.5-B--B3) for manual retraction and spring-loaded engagement.
Material handling equipment — Weld-mount spring plungers (e.g., GI5/16-1.5-B-B3) for indexing and positioning on steel structures.
Industrial machinery adjustment — Snap-lock 8-arm knobs (e.g., GN4C----F6-L-21) for manual clamping and fastening with 1/4"-20 thread.
Fixture design — Locking and nonlocking indexing plungers with various plunger widths (0.313 in to 0.5 in) for custom workholding solutions.
Equipment maintenance — Replacement hand knobs and indexing plungers for existing fixtures and machines, available from 3G Electric's stocked SKUs.
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INNOVATIVE COMPONENTS Products

3G Electric supplies INNOVATIVE COMPONENTS nonlocking knurled-knob 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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