Long-lock Fasteners - Masonry Screws
Masonry Screws - M-7
100/box - insulation thickness:4" - screw size: #14 x 5"
Masonry Screws - M-8
100/box - insulation thickness:5" - screw size: #14 x 6"
Masonry Screws - M-9
100/box - insulation thickness:6" - screw size: #14 x 7"
Masonry Screws - M-10
100/box - insulation thickness:7" - screw size: #14 x 8"
Masonry Screws - M-11
100/box - insulation thickness:8" - screw size: #14 x 9"
Masonry Screws - M-12
100/box - insulation thickness:9" - screw size: #14 x 10"
Masonry Screws - M-13
100/box - insulation thickness:10" - screw size: #14 x 11"
Masonry Screws - M-14
100/box - insulation thickness:11" - screw size: #14 x 12"
Masonry Screws - M-16
100/box - insulation thickness:13" - screw size: #14 x 14"
Contact Us for Pricing Quote - 800.937.9021 Ext-106 
For your thick foam fastening needs.
Includes one drill bit per 200 pieces.
Hardness of masonry varies and may require a non-standard drill bit.
Engineered Features
- 1¾" diameter
- Finger closure and recessed fastener chamber
- Utilized for thicker insulation
Consult system manufacture for specific requirements.
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Long-Lock Brochure