✔Screw Type: #8 Black Oxide Hex Head Self Drilling Screws Assortment Kit.(#8 for 3mm carbon steel sheet to avoid breaking off. Min Breaking Torque-2.8N.M)
✔Sizes: #8 x 1/2'',#8 x 5/8'',#8 x 3/4'',#8 x 1'',#8 x 1-1/4'' black self tapping screws.
✔Made from strong, high quality, specially heat treated 410 Stainless Steel(harder than 304 ss), self drilling and tapping screws are precision cold forged insuring uniformity of dimension and drill point contours. And black oxide finish protects the job's appearance.
✔These hex head self-tapping screws with coarse threads and a drill point end for use in thicker gauge steel.
