CLGR® Galvanized Jaw & Jaw Turnbuckle US Type, also known as Jaw Jaw Open Turnbuckle and galvanized jaw and jaw straining screws, conforms to ASTM F-1145.
These turnbuckles can be used for tightening, tensioning, and adjusting many wire rope applications.
As they are open bodied, the thread is visible, allowing for the user to monitor the rate of turning.
Made from drop-forged and hot-dip galvanized steel / electrically galvanized, these Galvanized Steel Jaw & Jaw Turnbuckles resist rust and corrosion, making them ideal for outdoor and marine applications.
Galvanized turnbuckles are available in sizes ranging from 1/4'' to 2-3/4'' to suit a wide range of applications.
| Brand | CLGR® |
Origin | China |
Standard | US Federal Specification ASTM F-114 |
Material | Superior Carbon Steel |
Safety Factor | Proof tested to 2 x WLL and Minimum Break Force is 5 x WLL |
Processing | Drop Forged Machining |
Finish | Electric Galvanized / Hot Dipped Galvanized |
Thread Dia & Take Up(in) | 1/4"×4", 5/16"×4 1/2", 3/8"×6", 1/2"×6", 1/2"×9", 1/2"×12" 5/8"×6", 5/8"×9", 5/8"×12", 3/4"×6",3/4"×9", 3/4"×12" 3/4"×18", 7/8"×12", 7/8"×18", 1"×6", 1"×12", 1"×18" 1"×24", 1 1/4"×12",1 1/4"×18", 1 1/4"×24", 1 1/2"×12" 1 1/2"×18", 1 1/2"×24", 1 3/4"×18", 1 3/4"×24", 2"×24" 2 1/2"×24", 2 3/4"×24" |
Tips Color Code | Customized according to customers' requirements |

Part No. | Thread Dia | W.L.L. | U.W | Dimensions | ||||||
B | E | G | J | K | M | N | ||||
Closed | Open | Closed | Open | Closed | ||||||
CRTBJJUS01 | 1/4×4 | 500 | 0.37 | 0.45 | 1.66 | 0.64 | 11.19 | 7.19 | 12.18 | 8.18 |
CRTBJJUS02 | 5/16×4 1/2 | 800 | 0.56 | 0.5 | 2.02 | 0.87 | 13.07 | 8.57 | 14.12 | 9.62 |
CRTBJJUS03 | 3/8×6 | 1200 | 0.85 | 0.53 | 2.11 | 0.85 | 16.25 | 10.25 | 17.5 | 11.5 |
CRTBJJUS04 | 1/2×6 | 2200 | 1.82 | 0.64 | 3.22 | 1.07 | 18.65 | 12.65 | 20.14 | 14.14 |
CRTBJJUS05 | 1/2×9 | 2200 | 2.29 | 0.64 | 3.2 | 1.07 | 24.94 | 15.94 | 26.43 | 17.43 |
CRTBJJUS06 | 1/2×12 | 2200 | 2.71 | 0.64 | 3.2 | 1.07 | 30.94 | 18.94 | 32.43 | 20.43 |
CRTBJJUS07 | 5/8×6 | 3500 | 3.21 | 0.79 | 3.9 | 1.32 | 19.74 | 13.74 | 21.82 | 15.82 |
CRTBJJUS08 | 5/8×9 | 3500 | 3.95 | 0.79 | 3.89 | 1.32 | 26.08 | 17.08 | 28.16 | 19.16 |
CRTBJJUS09 | 5/8×12 | 3500 | 4.58 | 0.79 | 3.89 | 1.32 | 32.08 | 20.08 | 34.16 | 22.16 |
CRTBJJUS10 | 3/4×6 | 5200 | 4.8 | 0.97 | 4.71 | 1.52 | 21.09 | 15.09 | 23.68 | 17.68 |
CRTBJJUS11 | 3/4×9 | 5200 | 5.85 | 0.97 | 4.68 | 1.52 | 27.49 | 18.49 | 30.08 | 21.08 |
CRTBJJUS12 | 3/4×12 | 5200 | 6.72 | 0.97 | 4.68 | 1.52 | 33.49 | 21.49 | 36.08 | 24.08 |
CRTBJJUS13 | 3/4×18 | 5200 | 8.45 | 0.97 | 4.71 | 1.52 | 45.49 | 27.49 | 48.08 | 30.08 |
CRTBJJUS14 | 7/8×12 | 7200 | 9.37 | 1.16 | 5.5 | 1.77 | 34.65 | 22.65 | 37.62 | 25.62 |
CRTBJJUS15 | 7/8×18 | 7200 | 11.8 | 1.16 | 5.5 | 1.77 | 47.12 | 29.12 | 50.09 | 32.09 |
CRTBJJUS16 | 1×6 | 10000 | 10.4 | 1.34 | 6.09 | 2.05 | 23.82 | 17.82 | 27.18 | 21.18 |
CRTBJJUS17 | 1×12 | 10000 | 13.8 | 1.34 | 6.09 | 2.05 | 35.82 | 23.82 | 39.18 | 27.18 |
CRTBJJUS18 | 1×18 | 10000 | 17.1 | 1.34 | 6.09 | 2.05 | 47.82 | 29.82 | 51.18 | 33.18 |
CRTBJJUS19 | 1×24 | 10000 | 21 | 1.34 | 6.06 | 2.05 | 60.42 | 36.42 | 63.78 | 39.78 |
CRTBJJUS20 | 11/4×12 | 15200 | 21.9 | 1.84 | 8.09 | 2.82 | 39.37 | 27.37 | 43.58 | 31.58 |
CRTBJJUS21 | 11/4×18 | 15200 | 25.9 | 1.84 | 8.09 | 2.82 | 51.37 | 33.37 | 55.58 | 37.58 |
CRTBJJUS22 | 11/4×24 | 15200 | 29.8 | 1.84 | 8.09 | 2.82 | 63.93 | 39.93 | 68.14 | 44.14 |
CRTBJJUS23 | 11/2×12 | 21400 | 32.6 | 2.06 | 8.93 | 2.81 | 40.76 | 28.76 | 45.68 | 33.68 |
CRTBJJUS24 | 11/2×18 | 21400 | 38 | 2.06 | 8.93 | 2.81 | 52.76 | 34.76 | 57.68 | 39.68 |
CRTBJJUS25 | 11/2×24 | 21400 | 43.5 | 2.06 | 8.93 | 2.81 | 65.38 | 41.38 | 70.3 | 46.3 |
CRTBJJUS26 | 13/4×18 | 28000 | 53.5 | 2.6 | 9.36 | 3.35 | 53.35 | 35.35 | 59.16 | 41.16 |
CRTBJJUS27 | 13/4×24 | 28000 | 61.1 | 2.6 | 9.36 | 3.35 | 65.35 | 41.35 | 71.16 | 47.16 |
CRTBJJUS28 | 2×24 | 37000 | 96.3 | 2.62 | 11.8 | 3.74 | 69.64 | 45.64 | 76.72 | 52.72 |
CRTBJJUS29 | 2 1/2×24 | 60000 | 167 | 3.06 | 13.26 | 4.44 | 72.97 | 48.97 | 82.18 | 58.18 |
CRTBJJUS30 | 2 3/4×24 | 75000 | 199 | 3.69 | 14.92 | 4.19 | 74.75 | 50.75 | 85.5 | 61.5 |