APPROVED VENDOR Self Locking Thread Insert: Heavy Wall, M12-1.25 Int Thrd Sz, 18 mm Overall Lg
The APPROVED VENDOR Self Locking Thread Insert is a heavy-wall automotive insert with M12-1.25 internal thread size, 18 mm overall length, and a 5-pack quantity. It features coarse thread type, 37/64 drill bit size…
SKU 3G-OTH-535741
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Product Description
The APPROVED VENDOR Self Locking Thread Insert is a heavy-wall automotive insert with M12-1.25 internal thread size, 18 mm overall length, and a 5-pack quantity. It features coarse thread type, 37/64 drill bit size, compatible tap size 5/8"-18, external thread fit 2A, and internal thread fit 2B, in inch/metric measurement.
Frequently Asked Questions
What is an APPROVED VENDOR self-locking thread insert used for?
This heavy-wall thread insert repairs or reinforces tapped holes in automotive and industrial assemblies. It provides a durable M12-1.25 internal thread with a self-locking feature to resist vibration loosening, commonly used in engine blocks, transmission housings, and machinery where coarse threads and inch/metric compatibility are required.
What are the specifications of the APPROVED VENDOR 329-1212-PK5 thread insert?
This heavy-wall insert has an M12-1.25 internal thread size, 18 mm overall length, coarse thread type, and a 37/64 drill bit size. It is compatible with a 5/8"-18 tap, with external thread fit 2A and internal thread fit 2B. The system of measurement is inch/metric, and it comes in a 5-pack.
Where to buy APPROVED VENDOR self-locking thread inserts worldwide?
3G Electric supplies and delivers the APPROVED VENDOR 329-1212-PK5 self-locking thread insert worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order arrives at your facility, regardless of location. Contact us for availability and lead time.
How to install a heavy-wall self-locking thread insert?
Drill a hole using a 37/64 drill bit, tap it with a 5/8"-18 tap, then install the insert using a compatible installation tool until it sits flush. The self-locking feature engages after installation. Always follow the manufacturer's instructions for torque and thread-locking compound if specified.
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3G Electric supplies APPROVED VENDOR automotive self-locking inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

