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These 4-40 x 1/2 in. spanner drive machine screws are security fasteners for buyers who need to help deter removal with ordinary screwdrivers. Their specialized drive design is intended for assemblies where controlled access to fasteners is important.
Each screw has a 4-40 thread size, a 1/2 in. length, a pan head, and 18-8 stainless steel construction. The spanner, or snake-eye, drive requires a matching driver bit. Supplied in a 100-piece pack.
Key Features:
Choose these 4-40 spanner drive machine screws when a 1/2 in. pan-head security fastener with a matching-bit drive is required. Confirm thread size, length, and driver-bit compatibility before purchase.
| Country of Origin: | Made in USA |
| Material: | Stainless Steel |
| Product Depth: | 5" |
| Product Height: | 5" |
| Product Type: | Spanner Drive Screws |
| Product Width: | 7" |
| Quantity Included: | 1 |
| Shipping Weight: | 14 lbs |
| Manufacturer Part Number: | 1.44012PS |
| Length: | 1/2 in |
| Head: | Pan |
| Size: | #4 |
| Unit of Measurement: | Inch (Imperial) |
| Brand: | Tamperproof Screw |
| Description: | Tamper Resistant Machine Screw |
| Drive: | Spanner |
| Finish: | Stainless Steel |
| Grade: | 18-8 Stainless Steel |
| Manufacturers Part Number: | 1.44012PS |
| Package Quantity: | 100 |
| Screw Type: | Machine Screw |
| Width: | 5.00 in |
| Height: | 5.00 in |
| Depth: | 7.00 in |
No additional information available.
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