Earthbound SlackJack: a seismic, snow and wind load holdown system for wood framed structures.

Threaded Rod
The Earthbound System is proud to feature domestic and traceable threaded rod.
Earthbound Threaded Rod Features and Benefits:
Made in the USA with 100% traceability of the materials and manufacturing processes.
Zinc plated rod is available for low carbon A36/A307 (60 ksi) applications. Plain or black rod is also available.
High Strength (HS) rod A193B7 (125 ksi) is typically black to avoid confusion with zinc plated low carbon A36/A307 on a job site.
All threaded rod is UNC (Unified National Coarse) threaded.
Hot Dip Galvanized A449 and Stainless Steel threaded rod is available for pressure or fire treated lumber.
Other threaded rod specifications available upon request.
EARTHBOUND SYSTEM THREADED ROD CAPACITIES
ROD NAME ROD SIZE (IN) TENSION LOAD CAPACITY / CANADA FACTORED LOAD CAPACITIES ROD
SPEC1,2
(100)3A (133)3B IBC 2006-09
LRFD3C
IBC 2006-09
ASD3D
0.125" MAX
ASD3E
CANADA NBCC
20053F
R3* 3/8" 2,210 LBS 2,950 LBS 3,490 LBS 2,440 LBS USE ASD VALUES 3,160 LBS ASTM A36/A307
R4 1/2" 3,930 LBS 5,240 LBS 6,390 LBS 4,470 LBS USE ASD VALUES 5,790 LBS ASTM A36/A307
R5 5/8" 6,140 LBS 8,180 LBS 10,170 LBS 7,120 LBS USE ASD VALUES 9,220 LBS ASTM A36/A307
R6 3/4" 8,840 LBS 11,780 LBS 15,050 LBS 10,540 LBS USE ASD VALUES 13,650 LBS ASTM A36/A307
R7 7/8" 12,030 LBS 16,040 LBS 20,780 LBS 14,540 LBS USE ASD VALUES 18,840 LBS ASTM A36/A307
R8 1" 15,710 LBS 20,940 LBS 27,260 LBS 19,080 LBS USE ASD VALUES 24,710 LBS ASTM A36/A307
R9 1 1/8" 19,880 LBS 26,500 LBS 34,350 LBS 24,040 LBS USE ASD VALUES 31,140 LBS ASTM A36/A307
R10 1 1/4" 24,540 LBS 32,710 LBS 43,610 LBS 30,530 LBS USE ASD VALUES 39,540 LBS ASTM A36/A307
R12 1 1/2" 35,340 LBS 47,110 LBS 63,240 LBS 44,270 LBS USE ASD VALUES 57,330 LBS ASTM A36/A307
R4HS* 1/2" 8,180 LBS 10,900 LBS 13,300 LBS 9,310 LBS 5,930 LBS 12,060 LBS ASTM A 193 B7
R5HS 5/8" 12,780 LBS 17,040 LBS 21,190 LBS 14,830 LBS 9,270 LBS 19,210 LBS ASTM A 193 B7
R6HS 3/4" 18,410 LBS 24,540 LBS 31,360 LBS 21,950 LBS 13,350 LBS 28,430 LBS ASTM A 193 B7
R7HS 7/8" 25,060 LBS 33,400 LBS 43,290 LBS 30,300 LBS 18,160 LBS 39,250 LBS ASTM A 193 B7
R8HS 1" 32,720 LBS 43,620 LBS 56,790 LBS 39,750 LBS 23,730 LBS 51,490 LBS ASTM A 193 B7
R9HS 1 1/8" 41,420 LBS 55,210 LBS 71,560 LBS 50,090 LBS 30,030 LBS 64,880 LBS ASTM A 193 B7
R10HS 1 1/4" 51,130 LBS 68,160 LBS 90,850 LBS 63,600 LBS 37,070 LBS 82,370 LBS ASTM A 193 B7
R12HS 1 1/2" 73,630 LBS 98,150 LBS 131,740 LBS 92,220 LBS 53,380 LBS 119,450 LBS ASTM A 193 B7
THREADED ROD NOTES:
1. STANDARD STRENGTH ROD / ASTM A36: F'u = 60,000 PSI. "UNC" THREAD PITCH.
2. HIGH STRENGTH ROD (HS) / ASTM A193B7: F'u = 125,000 PSI. "UNC" THREAD PITCH.
3. TENSION LOADS ARE CALCULATED FROM THE FOLLOWING EQUATIONS:
A. (100) THREADED ROD CAPACITY = [(0.33 F'u * Nominal Area)] PER AISC 9th EDITION (UBC97 thru IBC2003)
B. (133) COLUMN CONTAINS 1/3 SEISMIC DURATION INCREASE (100) LOADS ALLOWED UNDER UBC 97.
C. (IBC 2006-09 LRFD) THREADED ROD CAPACITY = [(0.75 * F'u * Ase - Stress Area)] - STRENGTH DESIGN ONLY
D. (IBC 2006-09 ASD) THREADED ROD CAPACITY = [(0.75 * F'u * Ase - Stress Area) / 1.428] - ALLOWABLE STRESS DESIGN ONLY
E. (0.125 MAX) THREADED ROD ALLOWABLE STRESS DESIGN CAPACITY BASED ON 0.125 INCHES MAX ELONGATION - 10 FEET AND MoE=29E6.
F. CANADA NBCC 2005 USE ONLY: FACTORED RESISTANCES SHOWN ARE THE LOWER OF 13.2.(a)(i), 13.2.(a)(ii) and 13.12.1.2 of CSA S16-01.
4. "UNC" = UNIFIED NATIONAL COARSE THREADED ROD PITCH.
5. (*) = AVAILABLE BY SPECIAL ORDER, CHECK WITH EARTHBOUND FOR AVAILABILITY.
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