Amana Tool 55227 Carbide Tipped Countersink with No Burning and No Marring Adjustable Depth Stop with No-Thrust BB, 3/8 D x 1/8 Drill D x 1/4 Inch Quick Release Hex SHK

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Self-Drilling Screws, also known as Tek screws, eliminate the need for a pre-drilled hole. The length of the drill point determines the material thickness which the screw can reliably penetrate. When selecting a self-drilling screw design, it is important to consider the material thickness and type of materials to be joined. These stainless teks are great to use in environments that are damp.

410 Stainless Steel
Tensile - 180,000 psi, Hardness - 40 Rockwell C
Type BSD is a tapping screw with spaced threads and a drill point which drills its own hole
#2 Drill Point; Appropriate for material thicknesses up to 0.10"

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410 Stainless #8 x 1 Wafer Head Philips Self Drilling Sheet Metal Tek Screws, (1/2" to 1-5/8" Length in Listing), 100 pcs, Modified Truss Head Self Driller (#8 x 1 inch)

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