Product Technical Guides : US-EN Anchor Fastening - August 2021 | Page 449

Anchor Fastening Technical Guide , Edition 22
MATERIAL SPECIFICATIONS
KCM-MD short plate and long plate anchors KCM-MD have an insert body made from carbon steel with an engineered plastic flange . The insert body is zinc plated per ASTM B633 Fe / Zn 5 Type III .
INSTALLATION PARAMETERS
Table 1A — Hilti KCM-MD Short Plate cast-in anchor installation information
Nominal anchor diameter ( in .)
Design information Symbol Units
SP 1 / 4 " -3 / 8 "
SP 3 / 8 " -1 / 2 "
SP 3 / 8 " -1 / 2 " -5 / 8 "
SP 5 / 8 " -3 / 4 "
Plastic section color - - Green Orange Red Grey
Effective embedment
h ef
in .
1.76
2
2.5
2.5
( mm )
( 45 )
( 51 )
( 64 )
( 64 )
Nominal embedment
h nom
( mm )
( 48 )
( 54 )
( 67 )
( 67 )
in .
1.88
2.13
2.63
2.65
Metal hole saw diameter d bit in . 9 / 16 11 / 16 13 / 16 15 / 16 Steel head thickness t sh mm 3.3 3.3 3.3 3.7
Min . concrete cover over metal deck — upper flute install ( see Figure 4A )
Min . concrete cover over metal deck — lower flute install ( see Figures 4B and 4C )
h
in .
2.5
2.5
3.25
3.25
upper , min
( mm )
( 64 )
( 64 )
( 83 )
( 83 )
h
in .
2.5
2.5
2.5
2.5
lower , min
( mm )
( 64 )
( 64 )
( 64 )
( 64 )
Min . metal deck gauge - - 20
Min . anchor spacing
s min
in .
5.28
6
7.5
7.5
( mm )
( 134 )
( 152 )
( 191 )
( 191 )
Table 1B — Hilti KCM-MD Long Plate cast-in anchor installation information
Nominal anchor diameter ( in .)
Design information Symbol Units
LP 1 / 4 " -3 / 8 "
LP 3 / 8 " -1 / 2 "
LP 3 / 8 " -1 / 2 " -5 / 8 "
LP 5 / 8 " -3 / 4 "
Plastic section color - - Green Orange Red Grey
Effective embedment
h ef
in .
1.76
2
2.5
2.5
( mm )
( 45 )
( 51 )
( 64 )
( 64 )
Nominal embedment
h nom
( mm )
( 50 )
( 56 )
( 69 )
( 69 )
in .
1.96
2.21
2.71
2.72
Metal hole saw diameter d bit in . 1 / 2 5 / 8 3 / 4 7 / 8 Steel head thickness t sh mm 3.3 3.3 3.3 3.7
Min . concrete cover over metal deck ( see Figures 4B , 4C and 4D )
h
in .
2.5
2.5
3.25
3.25
lower , min
( mm )
( 64 )
( 64 )
( 83 )
( 83 )
Min . metal deck gauge - - 20
3.3.16
Min . anchor spacing
s min
in .
5.28
6
7.5
7.5
( mm )
( 134 )
( 152 )
( 191 )
( 191 )
Anchor Fastening Technical Guide Edition 22 | 3.0 ANCHORING SYSTEMS | 3.3.16 KCM-MD CAST-IN ANCHOR 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
445