Use and Care Manual

Holdowns
79
Copyright © 2020 MiTek Industries, Inc. All Rights Reserved
Holdowns
MiTek
®
Product Catalog
Ref. No.
None 12
2x & 3x 11
4x 10 2480 2000
None
2x & 3x
4x 2240
None 12
2555
2x & 3x
4x 10 2130 2130
None 18 3830 18
3830
2x & 3x 16 3405 15
3190
4x 15 3190 13
2680
None 22
4680
2x & 3x 21
4470
4x 18
2680
None 26
5535
2x & 3x 25
5320
4x 23
2680
Ref. No.
None 12
2x & 3x 11
4x 10 2480 2000
None
2x & 3x
4x 2240
None 12 2555
2x & 3x
4x 10 2130 2130
None 18 18 3830
2x & 3x 16 15 3190
4x 15 13 2680
None 22 4680
2x & 3x 21 4470
4x 18 2680
None 26 5535
2x & 3x 25 5320
4x 23 2680
1) Allowable loads have been increased 60% for wind or seismic loads; no further increase shall be permitted.
2) Allowable loads for bolts are based on parallel-to-grain loading with 3" minimum member thickness, except HPA which requires a 3-1/2" thick wood member.
3) Allowable loads are based on the use of either nails or bolts; nail and bolt values cannot be combined.
4) 16d sinkers or 10d common nails may be substituted for the specified 16d common nails at 0.85 of the table loads.
5) For alternate nail schedule and load values consult MiTek.
6) Minimum quantity of fasteners to be installed. Product may have additional fastener holes not needed to meet published allowable load of product.
7)
NAILS:
10d x 1-1/2 nails are 0.148" dia. x 1-1/2" long, 16d nails are 0.162" dia. x 3-1/2" long.
2680
10d x 1-1/2
12
10d x 1-1/2
2555 2425
9 1915
10d x 1-1/2 3365 2425 10d x 1-1/2
2680
2680
--
--
3365 2425
3365 2425
3365 2425
2680
2680
2770
3960 2770
4545 3300
4545 3300
-- --
--
--
--
--
--
Code
Ref.
2680
2680
Corrosion
Finish
Min
Qty
4,5,7,8
Bolt
Dia. (in)
Uncracked
Concrete
Cracked
Concrete Masonry
2890
2425
2890
2425
24253 1/2 336012 16d
12 16d
12 16d
MiTek
Stock No.
L
(in)
Min
Qty
4,5,7,8
Type
Uncracked
Concrete
Cracked
Concrete
Min
Qty
4,5,7,8
Type
15 PA23 PA23 23-3/4 4 6 16d
PA18 PA18
10d x 1-1/2 2770
16d
16d
16d
16d
16d
Min
Qty
4,5,7,8
Uncracked
Concrete
Cracked
ConcreteType
Min
Qty
4,5,7,8
Type
3720 2770
3720
12 16d 2975 2770
10d x 1-1/2
12
10d x 1-1/2
10d x 1-1/2 3960 2770
Min
Qty
4,5,7,8
Bolt
Dia. (in)Masonry Masonry
2680
Min Embed
Depth (in)
Nails Bolts
Allowable Tension 160% Fastener Schedule Allowable Tension 160%
2 1/2
--
2680
2680
2680
2680
2240 2240
3360
Cracked
Concrete
--
None, 2x,
3x, 4x
None, 2x,
3x, 4x
None, 2x,
3x, 4x
None, 2x,
3x, 4x
12
12
12
12
12 4 1/2
1/2
2555 2555
2770
10d x 1-1/2
10d x 1-1/2
19159
10d x 1-1/2
10d x 1-1/2
2770
39602770
3720 2770
4715 3300
ASCE Seismic Design C-F
2680
2680
2680
2680
--
--
--
-- --
--
--
--
--
--3960
--
--
--
4715 3300
PAI35 PAI35 35-1/2 4 6 --
PAI23 PAI23 23-1/2 4 6
4
15 PA35 PA35 35 4 6 4
18-1/2 4 6
-- -- --3365 242526 10d x 1-1/2
10d x 1-1/2
10d x 1-1/2
-- -- --
PAI28 PAI28 28-1/2 4 6 -- -- -- --3365 242521 10d x 1-1/2
--
None, 2x,
3x, 4x
4125 2890 268023 12 16d HPA35 HPA35 35 6 8 4 1/216d 4125
1/216d 4125
PAI18 PAI18 18-1/2 4 6 -- --
None, 2x,
3x, 4x
4125 2890 268021 12 16d HPA28 HPA28 29 6 8
1/216d 3365
None, 2x,
3x, 4x
PA28 PA28 29 4 6 4 1/216d 3365
None, 2x,
3x, 4x
15
2680
2 1/2 2240 2240
Min Embed
Depth (in)
Fastener Schedule
Nails Bolts
Ledger /
Plate Size
Allowable Tension 160% Fastener Schedule Allowable Tension 160%
Concrete Masonry
2975 242512 16d 16d
2680 2240
Masonry
Wind and ASCE Seismic Design A & B
Ledger /
Plate Size
Code
Ref.
16d
--
1/2
16d
16d
3
6
15 4
--
16d
1/2
--
15 416d 1/2
21 4
23
Uncracked
Concrete
--
L
(in)
PAI23 PAI23 23-1/2 4
6
PAI28 PAI28 28-1/2 4
PAI35 PAI35 35-1/2
6
4
6
6
8
6
6
4
PA28 PA28
26
8
HPA35 HPA35 35 6
PAI18 PAI18 18-1/2 4
21
HPA28 HPA28 29 6
29 4
35 4
PA18 18-1/2 PA18
PA23 PA23 23-3/4
PA35 PA35
6 15
4
Corrosion
Finish
Fastener Schedule
2680
16d
2240
2680
MiTek
Stock No.
Concrete Masonry
HPA / PA / PAI Purlin Anchors
Corrosion Finish
Stainless Steel Gold Coat
HDG Triple Zinc
Corrosion Finish Stainless Steel Gold Coat HDG Triple Zinc
Corrosion
Finish
Stainless Steel
Gold Coat
HDG
Triple Zinc