OEM Key Locking Insert: Heavy Wall, 4 Keys, M14x1.5 Int Thrd Sz, M20-1.50 Ext Thrd Sz
The APPROVED VENDOR Key Locking Insert is a heavy-wall, mil. spec. insert with 4 keys, M14x1.5 internal thread size, M20-1.50 external thread size, and a plain finish, supplied in a 10-pack. It meets Fed Std. H28/21…
SKU 3G-OTH-531708
Also listed as: 217077570 · 217 077570
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
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Product Description
The APPROVED VENDOR Key Locking Insert is a heavy-wall, mil. spec. insert with 4 keys, M14x1.5 internal thread size, M20-1.50 external thread size, and a plain finish, supplied in a 10-pack. It meets Fed Std. H28/21 and MJ Form standards, is made from 18-8 material, and requires an 18.70 mm drill bit with a compatible M20-1.50 tap size, featuring 2A external and 3B internal thread fits.
Frequently Asked Questions
What is a key locking insert used for?
A key locking insert repairs or reinforces threads in metal assemblies, especially where vibration could loosen standard fasteners. The APPROVED VENDOR heavy-wall insert with 4 keys provides a permanent, mil. spec. thread repair solution for demanding industrial applications.
What are the specifications of the APPROVED VENDOR key locking insert?
This heavy-wall insert has M14x1.5 internal thread size and M20-1.50 external thread size, with 4 keys and a plain finish. It meets Fed Std. H28/21 and MJ Form standards, is made from 18-8 material, requires an 18.70 mm drill bit, and has 2A external and 3B internal thread fits.
Where to buy APPROVED VENDOR key locking inserts worldwide?
3G Electric supplies the APPROVED VENDOR key locking insert worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this mil. spec. thread repair insert.
How to install a key locking insert?
Installation requires drilling to 18.70 mm, tapping with an M20-1.50 tap, then driving the insert flush using a compatible tool. The 4 keys lock into the parent material to prevent rotation. Always follow the manufacturer's instructions for proper thread fit and torque.
OEM Products
3G Electric supplies OEM mil. spec. key-locking inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.