2
SCREW CHART
Device
Subassembly
Screw
Application
#12-12 x 12-24 x 1” (25 mm)
Combination
Metal or wood door
#10-24 x 1” (25 mm)
Surface mount or Sex bolts
1
³⁄₄
” (44 mm) door
#10-24 x 1
¹⁄₂
” (38 mm)
Sex bolts, 2
¹⁄₄
” (57 mm) door
#10 x 1
¹⁄₄
” (32 mm) Wood screw
Surface mount (wood)
Packaged with 990 Trims:
#10-24 x 1
³⁄₈
” (35 mm)
1
³⁄₄
” (44 mm) door, 990 Trim
#10-24 x 1
⁷⁄₈
” (48 mm)
2
¹⁄₄
” (57 mm) door, 990 Trim
575
Strike
575-2
Strike
#12-12 x 12-24 x 1” (25 mm)
Combination
Metal or wood frame
576A
Strike
576B
Strike
#12-12 x 12-24 x 1” (25 mm)
Combination
Metal or wood door
#10-24 x
³⁄₄
” (19 mm)
Surface mount or Sex bolts
1
³⁄₄
” (44 mm) door
#10-24 x 1
¹⁄₈
” (29 mm)
Sex bolts, 2
¹⁄₄
” (57 mm) door
#10 x 1
¹⁄₄
” (32 mm) Wood screw
Surface mount (wood)
#10-16 x
³⁄₈
” (10 mm) Thread cutting
End cap
#8-18 x
³⁄₈
” (10 mm) Thread cutting
Center case cover