Turnbuckles

CAUTION: NEVER EXCEED THE WORKING LOAD LIMIT. Read important warnings and information in T.O.C. > General Warnings and Turnbuckles.

Meets the performance requirements of A.S.T.M. F 1145. Hot galvanized, drop forged. Bodies normalized, end fittings quenched and tempered.

SizeApproximate Weight Each in PoundsWorking Load Limit in PoundsAverage Over-all Length withEnds in Closed Position
(Diameter xTake Up)Eyes and/orHooksJaw & EyeJaw & JawHook & HookHook & EyeEye & Eye Jaw &Eye Jaw & Jaw
1/4″ x 4″0.30.30.44005008.25
5/16″ x 4 1/2″0.50.530.587008009.56
3/8″ x 6″0.750.820.931,0001,20011.88
1/2″ x 6″1.51.621.681,5002,20013.31
1/2″ x 9″1.751.821.851,5002,20016.31
1/2″ x 12″2.182.192.21,5002,20019.31
5/8″ x 6″2.632.692.822,2503,50015.3
5/8″ x 9″33.013.252,2503,50018.5
5/8″ x 12″3.253.53.752,2503,50021.5
3/4″ x 6″3.754.254.683,0005,20017
3/4″ x 9″4.555.383,0005,20020
3/4″ x 12″5.755.756.123,0005,20023
3/4″ x 18″77.257.753,0005,20029
7/8″ x 12″8.388.889.384,0007,20024.63
7/8″ x 18″10.2510.611.444,0007,20030.63
1″ x 6″10.7511.111.85,00010,00020.63
1″ x 12″11.251212.885,00010,00026.63
1″ x 18″1414.7516.15,00010,00032.63
1″ x 24″1717.7518.65,00010,00038.63
1 1/4″ x 12″1921.223.66,50015,20029.88
1 1/4″ x 18″24.12626.66,50015,20035.88
1 1/4″ x 24″2528.731.26,50015,20041.88
1 1/2″ x 12″2731.135.57,50021,40032.38
1 1/2″ x 18″31.236.440.77,50021,40038.38
1 1/2″ x 2438.244.247.67,50021,40044.38
1 3/4″ x 18″5357.562**28,00041.38
1 3/4″ x 24″586064**28,00047.75
2″ x 24″90102115**37,00051.75
2 1/2″ x 24″163180200**60,00058.5
2 3/4″ x 24″180214248**75,00061.5

Domestic and Import

Drop Forged Turnbuckles

Turnbuckles meet the performance requirements of the Federal Specifications F1145 and ASTM FF-T-791B, Type 1 Form 1

Class 2, Class 3
Page 1
Diameter& Take-upBody OnlyBody and StubsWorkingLoad Limit
DimensionsA x CDrilled & TappedOverallLength (F)Weight per100 D&TBlanksSCPart No.Dimensions ” InchesWeight per 100
SC Part No.Galv. Part No.SC Part No.Galv. Part No.BDEin Lbs.
1/4″ x 4″03805 803955 04-13/16″1400105 200255 404105 813/32″2-5/8″10″25500
5/16″ x 4-1/2″03810 203960 45-9/16″21.500110 600260 804110 21-7/32″2-25/32″11″42.5800
3/8″ x 6″03815 703965 97-1/8″37.500115 100265 304115 79/16″4-7/16″16″851200
1/2″ x 2″03820 103970 33-1/2″3400120 500270 704120 13/4″3-1/4″10-1/4″842200
1/2″ x 6″03823 203973 47-1/2″6600123 600273 804123 23/4″4-1/4″16″142.52200
1/2″ x 9″03826 303976 510-1/2″84.500126 700276 904126 33/4″4-1/4″19″1702200
1/2″ x 12″03829 403979 613-1/2″10200129 800279 004129 43/4″4-1/4″22″2002200
5/8″ x 6″03834 803984 07-7/8″90.500134 200284 404134 815/16″4-1/16″16″212.53500
5/8″ x 9″03837 903987 110-7/8″13100137 300287 504137 915/16″4-1/16″19″2853500
5/8″ x 12″03840 903990 113-7/8″172.500140 300290 504140 915/16″4-1/16″22″317.53500
5/8″ x 18″03843 003993 220-1/4″34500143 400293 604143 015/16″4-1/16″28″577.53500
3/4″ x 6″03848 503998 78-1/4″12900148 900298 104148 51-1/8″4-3/8″17″3205200
3/4″ x 9″03851 504001 311-1/4″19100151 900301 804151 51-1/8″4-3/8″20″412.55200
3/4″ x 12″03854 604004 414-1/4″24300154 000304 904154 61-1/8″4-3/8″23″497.55200
3/4″ x 18″03857 704007 520-1/4″336.500157 100307 004157 71-1/8″4-3/8″29″677.55200
7/8″ x 6″03862 104012 98-5/8″19600162 500312 404162 11-5/16″4-11/16″18″467.57200
7/8″ x 12″03865 204015 014-5/8″309.500165 600315 504165 21-5/16″4-11/16″24″6617200
7/8″ x 18″03868 304018 120-5/8″583.500168 700318 604168 31-5/16″4-11/16″30″10397200
1″ x 6″03873 704023 59″27900173 100323 004173 71-1/2″5″19″6109800
1″ x 12″03876 804026 615″38300176 200326 104176 81-1/2″5″25″9209800
1″ x 18″03879 904029 721″56600179 300329 204179 91-1/2″5″31″1176.59800
1-1/8″ x 6″03884 304034 19″22800184 700334 604184 31-11/16″4-5/8″19″69311500
1-1/8″ x 12″03887 404037 215″467.500187 800337 704187 41-11/16″4-5/8″25″1017.511500
1-1/4″ x 6″03892 804042 69-3/4″44900192 200342 104192 81-7/8″5-1/8″20″109314800
1-3/8″ x 6″03897 304047 19-3/4″43000197 700347 604197 32-3/16″5-1/2″20-1/2″119517500
1-1/2″ x 6″03902 404052 510-3/8″68400202 800352 004202 42-3/16″5-1/2″20-1/2″158021000
Class 4, Class 5
Page 2
Eye and EyeHook and HookWeight
per 100
Diameter &
Take-up
Part No.Closed
Length
Part No.Closed
Length
SCGalv.SCGalv.in Lbs.
1/4″ x 4″01105 101255 38″02005 302155 58-1/2″35
5/16″ x 4-1/2″01110 501260 79″02010 702160 99-1/2″47.5
3/8″ x 6″01115 001265 211-1/2″02015 202165 412″90.6
1/2″ x 2″01120 401270 68-1/2″02020 602170 810″111
1/2″ x 6″01123 501273 713″02023 702173 914-1/4″170
1/2″ x 9″01126 601276 816″02026 802176 017-1/4″202
1/2″ x 12″01129 701279 919″02029 902179 120-1/4″232.5
5/8″ x 6″01134 101284 313-1/2″02034 302184 514-3/4″260
5/8″ x 9″01137 201287 417″02037 402187 617-3/4″320
5/8″ x 12″01140 201290 420-1/2″02040 402190 620-3/4″392.5
5/8″ x 18″01143 301293 526-1/2″02043 502193 726-3/4″557
3/4″ x 6″01148 801298 014-3/4″02048 002198 216-3/4″397.5
3/4″ x 9″01151 801301 718″02051 002201 919-3/4″512.5
3/4″ x 12″01154 901304 821-3/4″02054 102204 022-3/4″581
3/4″ x 18″01157 001307 927-3/4″02057 202207 128-3/4″666
7/8″ x 6″01162 401312 318″02062 602212 519″650
7/8″ x 12″01165 501315 422-1/2″02065 702215 623-3/4″787.5
7/8″ x 18″01168 601318 528-1/2″02068 802218 729-3/4″1212
1″ x 6″01173 001323 917″02073 202223 120″805
1″ x 12″01176 101326 025″02076 302226 225-1/2″1077.5
1″ x 18″01179 201329 131″02079 402229 331-1/2″1386

To ascertain extended length add amount of take-up to length in closed position. Eye, Jaw and Hook fittings are heat treated

Hook
Dimensions – InchesWorking Load
Limit in Lbs.✝
ABCD
1/4″5/16″9/32″7/32″400
5/16″1/2″1/2″5/16″700
3/8″1/2″1/2″3/8″1,000
1/2″7/8″13/16″17/32″1,500
5/8″29/32″27/32″5/8″2,250
3/4″1-1/8″29/32″11/16″3,000
7/8″1-3/16″1-1/16″13/16″3,200
1″1-3/8″1-1/4″7/8″5,000
Eye
Dimensions – InchesWorking Load
Limit in Lbs.✝
ACDE
1/4″1/2″1″7/32″500
5/16″5/8″1-1/4″9/32″800
3/8″3/4″1-1/2″11/32″1,200
1/2″1″2″7/16″2,200
5/8″1-1/4″2-5/16″17/32″3,500
3/4″1-1/2″2-3/4″5/8″5,200
7/8″1-3/4″3-1/2″7/8″7,200
1″2″3-3/4″7/8″10,000

Loads are based on design factor of 5 to 1
Maximum load ratings are based on a straight verticle lift in a gradually increasing manner.
Any deviations as angular lifts, shock loads, modification of the basic part, etc., will result in drastically reduced maximum loads.

Class 6
Page 3
Hook and EyeWeight
per 100
Diameter &
Take-up
Part No.Closed Length
SCGalv.in Lbs.
1/4″ x 4″01555 401705 38-1/4″35
5/16″ x 4-1/2″01560 801710 79-1/4″47.5
3/8″ x 6″01565 301715 211-3/4″90.6
1/2″ x 2″01570 701720 69-1/4″109
1/2″ x 6″01573 801723 713-5/8″170
1/2″ x 9″01576 901726 816-3/8″202
1/2″ x 12″01579 001729 919-5/8″232.5
5/8″ x 6″01584 401734 314-1/8″260
5/8″ x 9″01587 501737 417-3/8″320
5/8″ x 12″01590 501740 420-5/8″392.5
5/8″ x 18″01593 601743 526-5/8″557
3/4″ x 6″01598 101748 015-3/4″397.5
3/4″ x 9″01601 801751 018-7/8″512.5
3/4″ x 12″01604 901754 122-1/8″581
3/4″ x 18″01607 001757 228-1/8″666
7/8″ x 6″01612 401762 618-1/2″650
7/8″ x 12″01615 501765 723-1/8″787.5
7/8″ x 18″01618 601768 829-1/8″1212
1″ x 6″01623 001773 219-1/2″805
1″ x 12″01626 101776 325-1/4″1077.5
1″ x 18″01629 201779 431-1/4″1386
Hook Dimensions – Strength
Dimensions – InchesWorking Load
Limit in Lbs.✝
ABCD
1/4″5/16″9/32″7/32″400
5/16″1/2″1/2″5/16″700
3/8″1/2″1/2″3/8″1,000
1/2″7/8″13/16″17/32″1,500
5/8″29/32″27/32″5/8″2,250
3/4″1-1/8″29/32″11/16″3,000
7/8″1-3/16″1-1/16″13/16″3,200
1″1-3/8″1-1/4″7/8″5,000
Eye Dimensions – Strength
Dimensions – InchesWorking Load
Limit in Lbs.✝
ACDE
1/4″1/2″1″7/32″500
5/16″5/8″1-1/4″9/32″800
3/8″3/4″1-1/2″11/32″1,200
1/2″1″2″7/16″2,200
5/8″1-1/4″2-5/16″17/32″3,500
3/4″1-1/2″2-3/4″5/8″5,200
7/8″1-3/4″3-1/2″7/8″7,200
1″2″3-3/4″7/8″10,000

✝ Loads are based on design factor of 5 to 1
Maximum load ratings are based on a straight verticle lift in a gradually increasing manner.
Any deviations as angular lifts, shock loads, modification of the basic part, etc., will result in drastically reduced maximum loads.

Class 8, Class 7
Page 4
Jaw and Eye Hot GalvanizedJaw and Jaw Hot Galvanized
Diameter &
Take-up
Part No.Closed
Length
Weight
per 100
Part No.Closed LengthWeight
per 100
1/4″ x 4″02605 58-1/4″37.503055 78-1/2″40
5/16″ x 4-1/2″02610 99-1/8″52.503060 19-1/4″52.5
3/8″ x 6″02615 411-1/2″96.503065 611-1/2″97.5
1/2″ x 2″02620 88-3/4″10903070 08-7/8″119
1/2″ x 6″02623 913-1/4″16003073 113-1/2″170
1/2″ x 9″02626 016-1/4″198.503076 216-1/2″202.5
1/2″ x 12″02629 119-1/4″22503079 319-1/2″227.5
5/8″ x 6″02634 514-5/8″257.503084 715-3/4″260.5
5/8″ x 9″02637 617-7/8″33003087 818-3/4″330
5/8″ x 12″02640 621-1/8″40203090 821-3/4″407
5/8″ x 18″02643 727-1/8″58103093 927-3/4″607
3/4″ x 6″02648 215-5/8″402.503098 416-1/2″417.5
3/4″ x 9″02651 218-3/4″522.503101 119-1/2″545
3/4″ x 12″02654 322″602.503104 222-1/2″619.5
3/4″ x 18″02657 428″70203107 328-1/2″753
7/8″ x 6″02662 819″65503112 719-1/2″668
7/8″ x 12″02665 923-1/2″842.503115 824-1/2″862.5
7/8″ x 18″02668 029-1/2″125203118 930-1/2″1281
1″ x 6″02673 419-1/8″87203123 320-3/16″911
1″ x 12″02676 525-1/4″1137.503126 425-1/2″1165
1″ x 18″02679 631-1/4″146303129 531-1/2″1518
Rod End Eye & Eye Self-Colored
Diameter &
Take-up
Part No.Closed
Length
Weight
per 100
1/2″ x 6″03373 213″131
5/8″ x 6″03384 813-1/4″205
3/4″ x 6″03398 513-1/2″293
7/8″ x 6″03412 814″456
1″ x 6″03423 414-1/8″589
Jaw Dimensions – Strength
Dimensions – InchesWorking Load
Limit in Lbs.✝
ABCD*EF**HP
1/4″7/32″5/16″25/32″3/8″5/8″9/32″1/4″500
5/16″1/4″5/16″7/8″15/32″5/8″9/32″1/4″800
3/8″9/32″13/32″1″1/2″13/16″11/32″5/16″1,200
1/2″5/16″1/2″1-9/32″5/8″1″15/32″7/16″2,200
5/8″3/8″21/32″1-21/32″7/8″1-5/16″35/64″1/2″3,500
3/4″1/2″13/16″1-27/32″15/16″1-5/8″43/64″5/8″5,200
7/8″9/16″29/32″1-31/32″1-5/32″1-7/8″25/32″3/4″7,200
1″11/16″1-1/16″2-13/32″1-3/16″2″15/16″7/8″10,000

*At parting line: includes 7″ draft
** Hole Size
✝ Loads are based on a design factor of 5 to 1

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