Drywall Screw Drilling
Bugle Head Self Drilling Screws
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Product Features
Thread size：#6, #7, #8, #10 (M3.5, M3.9, M4.2, M4.8)； Length：1/2" to 6" (13 to 152mm)； Recess type：Phillips；Torx；Square Head type：Bugle Head； Thread type：Type BSD (general thread, single lead)； Point：Drill point #2 or #3； Finish：Phosphate (grey or black), Zinc Plated (clear / white / yellow)； Coating (Geomet, Dacrotized, Ruspert etc.) Drill capacity：Test steel plate thickness 1.0mm to 5.0 mm；
Phillips Bugle Head Black Phosphate Self Drilling Screws
Bugle head screws feature a countersunk head with a flat top and a concave under-head bearing surface. This special design enables the distribution of the bearing stress over a much wider area than is possible with a flat head screw.Precise cutting edges for improved drill performance
Application
Use for stitching wood to metal
Use in flat surfaces
Use in pre-drilled hole for fitting
Product introduction
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North of Xinjia Village, Beilou Township, Longyao County, Xingtai City, Hebei Province, China
