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Now there is a Stainless Steel screw that is ideal for attaching plywood or solid wood decking to the metal frames used in truck trailers. In addition to the self-drill tip, wings protrude from the shank and cut a clearance hole in the wood. When the wings hit the metal decking, they fold right up. Nibs on the underside of the head allow the screw to self-countersink. These have a #3 self drilling point which when used with light gauge steel is designed for a total material thickness of .110" to .210". Use 2" Screws for 5/4 (1" nominal) decking and 2-1/2" Screws for 2X (1-1/2" nominal) decking. Threads are 24 per inch. Made of Type 410 (magnetic) Stainless Steel. Taiwan.
(based on 3 reviews)
of respondents would recommend this to a friend.
Reviewed by 3 customers
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12-24 x 2-1/2 Self-Drilling Metal Screws
from san antonio tx
About Me Avid Do-It-Yourselfer
Comments about 12-24 x 2-1/2 Self-Drilling Metal Screws, Stainless Steel, Flat Head, Square Drive:
used this product to screw down trailer boards and worked great
Bottom Line Yes, I would recommend this to a friend
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(1 of 1 customers found this review helpful)
from New Lenox,Il.
Great product.The best screw i ever received!
By Jim the Runner
from Boston, MA.
These screws work great. They are self drilling as well as self countersinking. The only time I had any difficulty with them is when one hit an existing screw. I removed it, drilled out the old screw, and installed the new one...simple!