Our Painted Head Screws are specially coated to give you a professional finished look without the added expense associated with matching cover caps. Our screws are zinc-plated before painting to ensure optimal paint adhesion to the head.
These combo drive screws with type 17 point
Tapping Style Thread: Also known as in.Type A in. or in.Wood Tapping, in. This is basically a sheet metal type thread. It is a single lead, fine thread design (meaning more threads per inch). Also, the thread form is basically an in.equilateral in. triangle, instead of 'the special in.flattened in. triangular thread which is used for in.Deep in. threads. Generally, the entire screw shank is threaded, which makes sense for a sheet metal screw, of course.
Square Drive Recess: This recess was invented by P.L. Robertson (founder of Robertson, Inc.) in 1908 and was the first production fastener with an internal recess.
In 1908, P. L. Robertson began to manufacture a square recess impression in the head of a screw in Milton, Ontario, Canada. He was a brilliant toolmaker that injured his hand while driving a slotted screw and started developing a better recess. At that time, it was a revolutionary change in the fastener industry. It has a more positive fit that reduces in.cam out in. and requires only 4 foot pounds of pressure to keep the bit engaged. An early attempt to introduce these Square Recess Screws into the United States failed so they were confined to the Canadian Market until the 1970s. The Phillips Head was introduced in the 1930s and would in.cam out in. instead of being over torqued by the new power drivers of the time. Henry Ford tried out Square Drive an
| SIZE (#8, #10 ...) | #10 |
|---|---|
| LENGTH | 3 in. |
| MATERIAL | Zinc, Clear |
| COUNTERSINK NIBS | Without Nibs |
| RECESS TYPE | Combo - Square/Phillips |
| HEAD | Truss |
| POINT TYPE | Self Drilling Wood |
| BRAND | McFeely's |
| RECESS SIZE | #2 |
| QUANTITY | Assorted |
| Head Diameter | 23/64 in. |
| Unthreaded Shank Diameter | 1/8 in. |
| RoHS Compliant? | No |
| SKU | 1030-PSS |
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