Grainger Key Locking Insert: Heavy Wall, 4 Keys, 1/2"-20 Int Thrd Sz, 11/16"-11 Ext Thrd Sz
The APPROVED VENDOR Key Locking Insert is a heavy-wall, mil-spec insert with 4 keys, a 1/2"-20 internal thread size, and an 11/16"-11 external thread size. It is plain finish, 18-8 material, inch system, and meets…
SKU 3G-OTH-531736
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Product Description
The APPROVED VENDOR Key Locking Insert is a heavy-wall, mil-spec insert with 4 keys, a 1/2"-20 internal thread size, and an 11/16"-11 external thread size. It is plain finish, 18-8 material, inch system, and meets MS51831-107L. Supplied as a 10-pack, it is compatible with an 11/16"-11 tap and has external thread fit 2A and internal thread fit 3B.
Frequently Asked Questions
What is an APPROVED VENDOR Key Locking Insert used for?
This heavy-wall key locking insert repairs or reinforces stripped threads in metal assemblies, meeting mil-spec MS51831-107L. It is used across aerospace, defense, and industrial equipment where a secure, vibration-resistant thread is required. 3G Electric supplies this insert for worldwide applications.
What are the specifications of the APPROVED VENDOR Key Locking Insert 217-077506?
This 10-pack insert has a 1/2"-20 internal thread and 11/16"-11 external thread, heavy wall, 4 keys, plain finish, 18-8 material, inch system, external thread fit 2A, internal thread fit 3B, and meets MS51831-107L. Compatible tap size is 11/16"-11.
Where to buy APPROVED VENDOR Key Locking Inserts worldwide?
3G Electric supplies APPROVED VENDOR key locking inserts worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this MS51831-107L compliant insert.
How to install a key locking insert like the APPROVED VENDOR 217-077506?
Installation requires tapping the hole to 11/16"-11, then winding the insert onto a driver tool until it is below the surface. The four keys are then set using a key-setting tool to lock the insert in place. Always follow the manufacturer's instructions for torque and depth.
Grainger Products
3G Electric supplies Grainger mil. spec. key-locking inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.