#6-20 x 1/2" Pan HD Self Drill Screw (Sq. Dr)
#6-20 x 1/2" HWHD Self Drill Screw
1/4"-20 x 1/2" (Sq. Dr) FLAT M/S
1/4"-20 x 1/2" UNC FHCS PLTD TFL
1/4"-20 x 1/2" (SLOT) RND M/S
1/4"-20 x 1/2" (Sq/Slot) RND M/S
1/4"-20 x 1/2" (SLOT) FLAT M/S
1/4"-20 x 1/2" RND M/S (Stove Bolt)
1/4"-20 x 1/2" UNC Gr.2 Hex Bolt PLTD
1/4"-20 x 1/2" UNC Gr.5 Hex Bolt PLTD
1/4"-20 x 1/2" UNC Gr.8 Hex Bolt PLTD
1/4"-20 x 1/2" UNC L9 Hex Bolt