Specification Sheet

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HG-228 Jaw & Jaw
Turnbuckles
MeetstheperformancerequirementsofFederalSpecications
FF-T-791b,Type1,Form1—CLASS7,andASTMF-1145,except
for those provisions required of the contractor.
■ EndttingsareQuenchedandTemperedorNormalized, 
bodies heat treated by normalizing.
■ HotDipgalvanizedsteel.
■ TURNBUCKLES RECOMMENDED FOR STRAIGHT
OR IN-LINE PULL ONLY.
■ Forgedjawendsarettedwithboltsandnutsfor1/4"through5/8",
 andpinsandcotterson3/4"through2-3/4"sizes.
■ ModiedUNJthreadonendttingsforimprovedfatigueproperties.
■ BodyhasUNCthreads.
■ MeetsorexceedsallrequirementsofASMEB30.26,including
 identication,ductility,designfactor,proofloadandtemperature
requirements. Importantly, these turnbuckles meet other critical
performance requirements, including fatigue life, impact properties
 andmaterialtraceability,notaddressedbyASMEB30.26.
■ LockNutsavailableforallsizes.
■ FatigueRated.
Thread
Dia. &
Take Up
Stock
No.
Working
Load
Limit
Weight
Each
Dimensions
(in.)
in. HG-228 lbs. * lbs.
A B
E
Closed
G
J
Open
K
Closed
M
Open
N
Closed
BB
† 1/4 x 4 1032493 500 .37 .25 .45 1.66 .64 11.19 7.19 12.18 8.18 4.07
† 5/16 x 4-1/2 1032518 800 .56 .31 .50 2.02 .87 13.07 8.57 14.12 9.62 4.58
† 3/8 x 6 1032536 1,200 .85 .38 .53 2.11 .85 16.25 10.25 17.50 11.50 6.10
1/2 x 6 1032554 2,200 1.82 .50 .64 3.22 1.07 18.65 12.65 20.14 14.14 6.03
1/2 x 9 1032572 2,200 2.29 .50 .64 3.20 1.07 24.94 15.94 26.43 17.43 9.36
1/2 x 12 1032590 2,200 2.71 .50 .64 3.20 1.07 30.94 18.94 32.43 20.43 12.36
5/8 x 6 1032616 3,500 3.21 .63 .79 3.90 1.32 19.74 13.74 21.82 15.82 6.03
5/8 x 9 1032634 3,500 3.95 .63 .79 3.89 1.32 26.08 17.08 28.16 19.16 9.39
5/8 x 12 1032652 3,500 4.58 .63 .79 3.89 1.32 32.08 20.08 34.16 22.16 12.39
3/4 x 6 1032670 5,200 4.80 .75 .97 4.71 1.52 21.09 15.09 23.68 17.68 6.13
3/4 x 9 1032698 5,200 5.85 .75 .97 4.68 1.52 27.49 18.49 30.08 21.08 9.59
3/4 x 12 1032714 5,200 6.72 .75 .97 4.68 1.52 33.49 21.49 36.08 24.08 12.59
3/4 x 18 1032732 5,200 8.45 .75 .97 4.71 1.52 45.49 27.49 48.08 30.08 18.53
7/8 x 12 1032750 7,200 9.37 .88 1.16 5.50 1.77 34.65 22.65 37.62 25.62 12.16
7/8 x 18 1032778 7,200 11.8 .88 1.16 5.50 1.77 47.12 29.12 50.09 32.09 18.63
1 x 6 1032796 10,000 10.4 1.00 1.34 6.09 2.05 23.82 17.82 27.18 21.18 6.18
1 x 12 1032812 10,000 13.8 1.00 1.34 6.09 2.05 35.82 23.82 39.18 27.18 12.18
1 x 18 1032830 10,000 17.1 1.00 1.34 6.09 2.05 47.82 29.82 51.18 33.18 18.18
1 x 24 1032858 10,000 21.0
1.00 1.34 6.06 2.05 60.42 36.42 63.78 39.78 24.84
1-1/4 x 12 1032876 15,200 21.9 1.25 1.84 8.09 2.82 39.37 27.37 43.58 31.58 12.06
1-1/4 x 18 1032894 15,200 25.9 1.25 1.84 8.09 2.82 51.37 33.37 55.58 37.58 18.06
1-1/4 x 24 1032910 15,200 29.8 1.25 1.84 8.09 2.82 63.93 39.93 68.14 44.14 24.62
1-1/2 x 12 1032938 21,400 32.6 1.50 2.06 8.93 2.81 40.76 28.76 45.68 33.68 12.32
1-1/2 x 18 1032956 21,400 38.0 1.50 2.06 8.93 2.81 52.76 34.76 57.68 39.68 18.32
1-1/2 x 24 1032974 21,400 43.5 1.50 2.06 8.93 2.81 65.38 41.38 70.30 46.30 24.94
1-3/4 x 18 1033018 28,000 53.5 1.75 2.60 9.36 3.35 53.35 35.35 59.16 41.16 18.37
1-3/4 x 24 1033036 28,000 61.1 1.75 2.60 9.36 3.35 65.35 41.35 71.16 47.16 24.37
2 x 24 1033054 37,000 96.3 2.00 2.62 11.80 3.74 69.64 45.64 76.72 52.72 24.48
2-1/2 x 24 1033072 60,000 167 2.50 3.06 13.26 4.44
72.97 48.97 82.18 58.18 24.60
2-3/4 x 24 1033090 75,000 199 2.75 3.69 14.92 4.19 74.75 50.75 85.50 61.50 24.65
* ProofLoadis2.5timestheWorkingLoadLimit.UltimateLoadis5timestheWorkingLoadLimit. †MechanicalGalvanized