Screw Standard of Minimum Length Screw-Head-to-Wall Wall-Mounting-Holes ANSI B1.1 of Screw Minimum Distance Distance TL-SG1005P 4#, (5#), 6#, 8# 8.5mm 1.5mm 39mm TL-SG1008D 4# 8mm 2mm 100mm TL-SG1008P 4#, (5#), 6#, 8# 8.5mm 1.5mm 105mm TL-SG105 4#, (5#), 6# 7mm 1.5mm 39mm TL-SG105E 4#, (5#), 6# 7mm 1.5mm 52mm TL-SG105-M2 4#, (5#), 6# 7mm 1.5mm 150mm TL-SG105PE 4#, (5#), 6# 7mm 1.5mm 39mm TL-SG105S 4#, (5#), 6# 7mm 1.5mm 39mm TL-SG108 4#, (5#), 6#, 8# 8.