https://www.avient.com/sites/default/files/2023-10/2023 Hammerhead Application _ Install Guide.pdf
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BOTTOM PANEL
LEG
LENGTH
BREAK
STRENGTH
Hammerhead with
5 lb/ft3 (80 kg/m3)
Core Density
2 in
51 mm
420 lbs
191 kg
Hammerhead with
7 lb/ft3 (115 kg/m3)
Core Density
2 in
51 mm
370 lbs
168 kg
Hammerhead with
8 lb/ft3 (135 kg/m3)
Core Density
2 in
51 mm
332 lbs
151 kg
Marine Plywood
2 in
51 mm
984 lbs
446 kg
Glass/Polyester
with Balsa Core
2 in
51 mm
1298 lbs
589 kg
Hammerhead with
5 lb/ft3 (80 kg/m3)
Core Density -
ITW Plexus
MA420 Adhesive
NA
501 lbs
227 kg
Hammerhead with
7 lb/ft3 (115 kg/m3)
Core Density -
ITW Plexus MA420
Adhesive
NA
839 lbs
381 kg
Hammerhead with
8 lb/ft3 (135 kg/m3)
Core Density -
ITW Plexus
MA420 Adhesive
NA
1156 lbs
524 kg
Hammerhead with
8 lb/ft3 (135 kg/m3)
Core Density -
Crestomer
1152PA Adhesive
NA
1530 lbs
694 kg
Hammerhead with
8 lb/in3 (135 kg/m3)
Core Density -
Crestomer
M1-30 Adhesive
NA
1471 lbs
667 kg
Mixed Conditions
ADHESIVE
DESCRIPTION
ADHESIVE
GRADE
MANUFACTURER
AVERAGE
BOND
STRENGTH
STANDARD
DEVIATION
FAILURE
MODE
BEST ADHESION
2k Urethane 75421 Lord
2281 psi
15.73 MPa
184 psi
1.27 MPa
Substrate
Cohesive
2k Acrylic SA1-705 GRY1 AccraLock
2211 psi
15.24 MPa
78 psi
0.54 MPa
Substrate
2k Acrylic Plexus MA420 ITW
2171 psi
14.97 MPa
262 psi
1.81 MPa
Substrate
2k Acrylic SA10-05 Blk1 AccraLock
2102 psi
14.49 MPa
138 psi
0.95 MPa
Substrate
2k Urethane 75451 Lord
2047 psi
14.11 MPa
68 psi
0.47 MPa
Cohesive
2k Acrylic SA1-705 GRY 1:2 AccraLock
1966 psi
13.56 MPa
68 psi
0.47 MPa
Substrate
2k Acrylic Scotchweld 8010 3M
1907 psi
13.15 MPa
61 psi
0.42 MPa
Adhesive
Cyanoacrylate Gorilla Glue Gorilla Glue
1885 psi
13.00 MPa
432 psi
2.98 MPa
Cohesive
2k Acrylic Crestabond PP-04 Scott Bader
1873 psi
12.91 MPa
281 psi
1.94 MPa
Substrate
2k Acrylic SA10-05 Blk 10:2 AccraLock
1779 psi
12.27 MPa
127 psi
0.88 MPa
Cohesive
2k Urethane 75422 Lord
1716 psi
11.83 MPa
190 psi
1.31 MPa
Cohesive
Adhesive
2k Urethane 75452 Lord
1535 psi
10.58 MPa
98 psi
0.68 MPa
Adhesive
2k Methacrylate Polyfuse
Icon
Containment
1610 psi
11.10 MPa
98 psi
0.68 MPa
Adhesive
INTERMEDIATE ADHESION
2k Acrylic
FA10-05 Blk
C010817
AccraLock
724 psi
4.99 MPa
58 psi
0.40 MPa
Cohesive
2k Acrylic FA10-05 Blk1 AccraLock
722 psi
4.98 MPa
44 psi
0.30 MPa
Cohesive
2k Epoxy
Loctite Epoxy
Instant Mix
Loctite
508 psi
3.50 MPa
81 psi
0.56 MPa
Adhesive
2k Epoxy Gorilla Glue Epoxy Gorilla Glue
341 psi
2.35 MPa
198 psi
1.37 MPa
Adhesive
NOT RECOMMENDED
2k Epoxy
Loctite Epoxy
Marine
Loctite 0 0 No bond
ADHESIVE SELECTION
Brands identified are owned by the manufacturers of the adhesive products.
1 surface sanded with 220 grit scuff prep 2 surface primed with 459T
FASTENER TYPE BENEFITS CONSIDERATIONS
Through-Bolting
Best mechanical
locking system
Need back side
access to panel
Screw-In Anchor
Highest pullout
strength
Requires pilot hole
Cup Washer
Spreads
compressive load
Requires relief hole;
For substructure and
hard point attachment
Wide Grip
(Bulb-Style)
Rivet
Ease of use—no
installation torque
limitations
For lower
load attachments
Sheet Metal or
Wood Screw
Readily available,
low cost
Penetrate both skins
for improved pullout
Shoulder Washer
Limits
compressive load
Requires relief hole;
For substructure and
hard point attachment
For more information on installation, adhesives, and fasteners
for specific applications, please contact Avient.