LAP/STITCH SCREWS
COMPONENTS / FASTENERS / LAP/STITCH SCREWS
A lap screw, also called a stitch screw, is a self-tapping screw used to “stitch” together metal panels where they overlap, as well as to flashing, gutters and trim. Most fastener lines EMF carries offer a coordinating lap screw in either 3/4” or 7/8”.
WoodZAC™ #12 x 3/4” Lap
Head Style Size: 5/16” Hex Washer Head
Point: Sharp Point
Washer: EPDM Seal Washer
Sizes: 3/4"
Other: Metal to Wood or Metal to Metal Light Gauge
WoodGrip™ #12XG Lap
Head Style Size: 1/4” Hex Washer Head
Point: Sharp Point
Washer: Bonded Washer or EPDM Control Seal Washer
Sizes: 3/4"
Other: Metal to Wood
DirectSeal #12-14
Woodbinder Stitch
Head Style Size: 1/4” Cupped Hex Washer Head
Point: M-Bit Mini Drill Point
Washer: EPDM Seal Washer
Sizes: 3/4"
Other: Metal to Wood
ZAC™ #14 Stitch
Self Driller 1
Head Style Size: 3/8” or 5/16” Hex
Point: SD1
Washer: Thick EPDM Seal Washer
Sizes: 7/8”
Other: Metal to Metal
Impax™ 1/4-14 Stitch
Self Driller 1
Head Style Size: 5/16” AF Hex
Point: SD1
Washer: Bonded Washer or Sealer Cupped
Sizes: 7/8"
Other: Up to 18ga; Metal to Metal
SteelZip 1/4-14 Stitch Self Driller 1
Head Style Size: 5/16” Hex Drive
Point: SD1
Washer: EPDM Seal Washer
Sizes: 7/8”, 1 1/8”
Other: Up to 18 ga; Metal to Metal
#12-11 Bi-Metal Stitch
Head Style Size: 5/16” Hex Washer Head
Point: SD1
Washer: 14mm Stainless Bonded Sealer Washer
Sizes: 1”
Other: Tap .031” to .060”; Available without Washer; Metal to Metal
1/4-20 Bi-Metal Lap
Head Style Size: 5/16” HWH
Point: SD2
Washer: 16mm Stainless Bonded Sealer Washer
Sizes: 1 1/8”
Other: Tap .031” to .060”; Metal to Metal