Anchor Fastening Technical Guide , Edition 22
Figure 7 — Hilti HIT-HY 270 specifications for Hilti HIT-IC in hollow masonry and brick with holes
3.2.4
Hilti installation specifications for Hilti HIT-IC in hollow masonry and brick with holes
Setting information Symbol Units
Nominal rod diameter ( in .) 5 / 16 3 / 8 1 / 2
Nominal bit diameter d o in . 5 / 8 7 / 8 7 / 8 HIT-IC size , CMU HIT-IC - 5 / 16x2 3 / 8x2 1 / 2x2 Screen size , CMU HIT-SC - 16x50 22x50 22x50
Nominal embedment , CMU h o in . 2-3 / 8 2-3 / 8 2-3 / 8 ( mm ) ( 60 ) ( 60 ) ( 60 )
Effective embedment , CMU h ef in . 2 2 2 ( mm ) ( 50 ) ( 50 ) ( 50 )
Screw engagement length , CMU h s in . 3 / 8 - 1 1 / 2 3 / 8 - 1 1 / 2 1 / 2 - 1 1 / 2
( mm ) ( 9.5 - 38 ) ( 9.5 - 38 ) ( 12.5 - 38 ) HIT-IC size , Brick HIT-IC - 5 / 16x3-3 / 16 3 / 8x3-3 / 16 1 / 2x3-3 / 16 Screen size , Brick HIT-SC - 16x85 22x85 22x85
Nominal embedment , Brick h o in . 3-3 / 4 3-3 / 4 3-3 / 4 ( mm ) ( 95 ) ( 95 ) ( 95 )
Effective embedment , Brick h ef in . 3-1 / 8 3-1 / 8 3-1 / 8 ( mm ) ( 79 ) ( 79 ) ( 79 )
Screw engagement length , Brick h s in . 3 / 8 - 3 3 / 8 - 3 1 / 2 - 3 ( mm ) ( 9.5 - 76 ) ( 9.5 - 76 ) ( 12.5 - 76 )
Maximum installation torque T inst ft-lb 2.2 3 4.5 ( Nm ) ( 3 ) ( 4 ) ( 6 )
Diameter of fixture hole d f in . 3 / 8 7 / 16 9 / 16
Anchor Fastening Technical Guide Edition 22 | 3.0 ANCHORING SYSTEMS | 3.2.4 HIT-HY 270 HYBRID FOR MASONRY CONSTRUCTION Hilti , Inc . 1-800-879-8000 | en español 1-800-879-5000 | www . hilti . com | Hilti ( Canada ) Corporation | www . hilti . ca | 1-800-363-4458
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