Installation Guide
6    www.mylenstairs.com 
Item 
Description 
Item 
Description 
Ⓐ 
3/8”x3” Lag Screw 
Ⓜ 
#10-32x1-1/2” Flat Head 
Type F Screw 
Ⓑ 
3/8” Flat Washer 
Ⓝ 
#7x1-1/2” Fillister Head 
Screw 
Ⓒ 
5/8”-11 Hex Nut 
Ⓞ 
5/16”-18x5/16” Set Screw 
Ⓓ 
5/8” Structural Washer 
Ⓟ 
5/16”-18x1-1/2” Hex Drive 
Flat Head Screw 
Ⓔ 
5/16”-18 x 1” Hex Drive Flat 
Head Screw 
Ⓠ 
5/16”-18x2-1/2” Hex Drive 
Button Head Screw 
Ⓕ 
5/16”x.875” OD Flat Washer 
Ⓡ 
5/16”x1-1/4”OD Flat 
Washer 
Ⓖ 
5/16”-18 Hex Nut 
Ⓢ 
#12-14x1-1/2” SQ Drive Self 
Drilling Screw 
Ⓗ 
5/16”-9 Grade A Zinc Finish 
Hex Head Lag Screw 
Ⓣ 
#12-14x1” Flat Head Self 
Drilling Screw 
Ⓘ 
¼”-20 x 3/8” 
 Socket Set Screw 
Ⓤ 
#12-24x3/4” Phillips Head 
Type F Screw 
Ⓙ 
#10-16x1” Self Drilling Truss 
Head Screw 
Ⓥ 
#12-11x1” Flat Head Screw 
Ⓚ 
#12-11x1” Pan Head Screw 
Ⓦ
Ⓚ 
#12-14x1” Pan Head Self 
Drilling Screw 
Ⓛ 
#10-16x3/4” Pan Head Self 
Drilling Screw 
Ⓧ
Ⓚ 
#12-14x3/4” Flat Head SQ 
Drive Self Drilling Screw 










