10-16 x 5/8 #8HD Unslot Indented Hex Washer High Low Screw Fully Threaded 410 Stainless Steel 1W The 6-lobe flat head design

The 6-lobe flat head design provides a flush and aesthetically pleasing finish

and a flush finish are required

while the flat head allows for a flush finish

10-32 x 1/2 Phillips Truss Thread Cutting Screw Type F Fully Threaded Zinc:

The hex shape provides a secure grip when tightening with a wrench

10-16 x 5/8 #8HD Unslot Indented Hex Washer High Low Screw Fully Threaded 410 Stainless Steel 1W The 6-lobe flat head design10 16 x 5 8 #8HD Unslot Indented Hex Washer High Low Screw Fully Threaded 410 Stainless Steel: Size: 10 16 x 5 8 inches Thread: #8HD Drive Type: Unslotted Head Type: Indented Hex Washer Thread Type: High Low Material: 410 Stainless Steel Fully Threaded Corrosion resistant High strength and durability Ideal for use in marine, automotive, and other harsh environments