SEMS Screw: External Tooth, #10-24 Thread Size, 1/2 in Lg, Steel, Zinc-Plated
The SEMS Screw: External Tooth is a #10-24 thread size, 1/2 in length machine screw with an external tooth lock washer, made of steel with a zinc-plated finish and a hex drive size of 5/16 in, supplied in a 100-piece…
SKU 3G-OTH-528632
Also listed as: HTCEIF1000500US100P · HTCEIF 1000500US 100P
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The SEMS Screw: External Tooth is a #10-24 thread size, 1/2 in length machine screw with an external tooth lock washer, made of steel with a zinc-plated finish and a hex drive size of 5/16 in, supplied in a 100-piece pack (MPN HTCEIF-1000500US-100P).
Frequently Asked Questions
What is a SEMS external tooth screw used for?
A SEMS external tooth screw combines a machine screw with a pre-assembled lock washer to resist loosening from vibration. It is used in industrial assembly, electrical panels, and equipment where a secure, shake-proof fastening is required across metal or plastic components.
What are the specifications of the SEMS screw #10-24 x 1/2 in?
This SEMS screw has a #10-24 thread size, 1/2 in length, steel construction with zinc-plated finish, and a hex drive size of 5/16 in. It includes an external tooth lock washer and comes in a 100-piece pack (MPN HTCEIF-1000500US-100P).
Where to buy SEMS external tooth screws worldwide?
3G Electric supplies SEMS external tooth screws worldwide, handling full logistics and customs clearance. As a global industrial sourcing partner, we provide genuine fasteners like this #10-24 x 1/2 in steel zinc-plated screw pack to customers across 14 industrial departments.
How to select the correct SEMS screw size for an application?
Select a SEMS screw by matching thread size (#10-24), length (1/2 in), and drive size (5/16 in) to your assembly's hole and torque requirements. The external tooth washer provides locking action; ensure the screw material (steel, zinc-plated) is compatible with the mating surface to prevent galvanic corrosion.
SEMS Products
3G Electric supplies SEMS machine screws with external tooth lock washers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
