APPROVED VENDOR Key Locking Insert: Heavy Wall, 4 Keys, M4-0.70 Int Thrd Sz, M8x1.25 Ext Thrd Sz
The APPROVED VENDOR Key Locking Insert is a heavy-wall, mil. spec. insert with 4 keys, M4-0.70 internal thread size, M8x1.25 external thread size, plain finish, and 18-8 material. It meets Fed Std. H28/21 and MJ Form…
SKU 3G-OTH-531685
- 6–10 business days door-to-door; Bea Cukai clearance typically 3–5 business days.
- Invoicing in IDR or USD. Bank transfer and corporate PO accepted.
- Dikirim ke: Jakarta, Surabaya, Bandung, Medan, Batam
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Deskripsi Produk
The APPROVED VENDOR Key Locking Insert is a heavy-wall, mil. spec. insert with 4 keys, M4-0.70 internal thread size, M8x1.25 external thread size, plain finish, and 18-8 material. It meets Fed Std. H28/21 and MJ Form standards, with 2A external and 3B internal thread fits, compatible with M8x1.25 tap size, sold in a 10-pack (MPN 217-076363).
Supplied to Indonesia — compatible with 50 Hz installations. DHL Express delivery to Jakarta, Surabaya, Bandung, customs and duties handled door-to-door.
Pertanyaan yang Sering Diajukan
What is a key locking insert used for?
A key locking insert is used to repair or reinforce tapped threads in metal assemblies, providing a strong, reusable thread in softer materials. The APPROVED VENDOR heavy-wall insert with 4 keys meets mil. spec. Fed Std. H28/21 and MJ Form standards, making it suitable for aerospace, defense, and industrial applications requiring high reliability.
What are the specifications of the APPROVED VENDOR key locking insert?
This heavy-wall insert has M4-0.70 internal thread size and M8x1.25 external thread size, with 2A external and 3B internal thread fits. It is made from 18-8 stainless steel, plain finish, compatible with M8x1.25 tap size, and meets Fed Std. H28/21 and MJ Form standards. Sold in a 10-pack (MPN 217-076363).
Where to buy APPROVED VENDOR key locking inserts worldwide?
3G Electric supplies APPROVED VENDOR key locking inserts worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner across 14 industrial departments, we provide these mil. spec. inserts with 4 keys, M4-0.70 internal thread, and M8x1.25 external thread, ensuring compliance with Fed Std. H28/21 and MJ Form standards.
How to install a key locking insert?
To install, drill and tap the hole to the specified compatible tap size (M8x1.25), then use a key locking insert tool to wind the insert into the tapped hole until the keys engage. The 4 keys lock the insert in place, preventing rotation. Follow standard thread repair practices and torque specifications for 18-8 stainless steel inserts.
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3G Electric memasok APPROVED VENDOR mil. spec. key-locking inserts. Kami menyediakan produk asli dengan ketersediaan tersedia di gudang untuk SKU umum, dokumentasi teknis, dukungan commissioning, dan layanan garansi — di seluruh dunia.









