Technical Specifications
34
Concrete & Masonry
© 2015 MiTek. All rights reserved.
THR Threaded Rods
THR’s support the new deck oriented code requirements for
mechanically reinforced railing post and deck to house ledger
board attachments.
Materials: ASTM A36 steel, also conforms to ASTM F1554,
Grade 36
Finish: Hot-dip galvanized
Codes: See page 11 for Code Reference Key Chart
Installation:
• Install into wet concrete or drill minimum 1/16" oversized
hole and secure with anchor epoxy.
Embossed ends provide guides for embedment angle and
depth. An embedment line is embossed on the shaft for easy
installation. Features rolled threads for high tensile strength.
STB – For monolithic slabs and concrete stem walls.
STBL – Designed for use with 3x sill plates.
Excellent choice for use with taller holdown
washers like those in the PHD series.
Materials: ASTM A 36 steel, also conforms to ASTM F1554
and ASTM A 307 Grade A requirements for bolts.
Finish: None
Options: See Chart for Corrosion Finish Options
Codes: See page 11 for Code Reference Key Chart
Typical THR installation
Typical THR
deck to ledger
installation
STB / STBL Anchor Bolts
Ref. No.
THR125-HDG RFB#4X5HDG 1/2 5
THR126-HDG RFB#4X6HDG 1/2 6
THR128-HDG RFB#4X8HDG 1/2 8
THR1218-HDG -- -- 1/2 18
THR1224-HDG -- -- 1/2 24
THR1236-HDG -- -- 1/2 36
THR585-HDG RFB#5X5HDG 5/8 5
THR588-HDG RFB#5X8HDG 5/8 8
THR5812-HDG RFB#5X12HDG 5/8 12
THR5816-HDG RFB#5X16HDG 5/8 16
USP
Stock No.
Bolt
Dia.
Code
Ref.
120
L
(in)
Corrosion
Finish
THR
1/2" THR
Threaded
Rod
DTB-TZ
Page 195
L
Continued on next page
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
Concrete & Masonry
Plain view
along continuous stem wall installation
Plain view of
End of Stem Wall installation
Plain view of corner of
stem wall installation
Place STB
angle diagonal in
corner application
Install @ 45°
from edge of
stem wall and
orientated away
from end of stem
wall
12" min return
5"
1-3/4 min
1-3/4 min
#4 Rebar
locate approx.
45° from wall
2 x E min.
rebar
length
2 x E min.
rebar
length
STB/STBL
Typical STB Anchor Bolt installation
6" min for 5/8" dia
anchor bolts
8" min for 7/8" dia
anchor bolts
#4 rebar
Footing
design by
others
Identication Stamp on the
bolt head showing embedment
angle and model
embedment line
3" to 6"
le
H
L
E
2 x E min.
rebar
length
5"