Galvanized Rigging Screw Closed Body, also known as bottle screw or closed body turnbuckle, Strainer Screws,.
Closed body turnbuckle Using superior grade raw material as per international qualitative standards.
Galvanised Rigging Screws are ideal for numerous applications, including applying tension to wire ropes in engineering and construction projects, as well as for marine use aboard boats and securing caravans.
Featuring a galvanised finish for rust and corrosion resistance, these closed-body screws are designed for weight loading and fine adjustments, and are available in various lengths with end fittings such as eyes and/or jaws.
It is important to note that commercial-grade strainer screws are not suitable for lifting operations, but are intended for bracing applications only.
Our Galvanized Turnbuckle closed body provides Sight holes in the bodies to verify adequate thread engagement.
Our range of bottle screw body is available in M6,M8,M10,M12,M16,M20,M22,M24,M28,M32,M36,M38,M45,M50 as well as customized sizes.
Brand | LGRIG® |
Material | Cold-drawn Seamless Steel tube C1020 |
Size | M6 M8 M10 M12 M16 M20 M22 M24 M28 M32 M36 M38 M45 M50 |
Safe Factor | Proof Load is 2.5 times Working Load Limit. Ultimate Load is 5 times the Working Load Limit |
Finish | Hot Dip Galvanized / Electric Galvanized / Powder Coated / Self-Colored |
Important Notes | Straight or in-line pull only |
Country of Origin | China |

Part No. | Size | SWL | A | B | C | G | Unit Weight |
Tons | Screw Dia. (mm) | Length of Body (mm) | Body Dia. (mm) | Hole Dia. | KGS | ||
LGGRSBO06 | M6 | 0.1 | 6 | 102 | 12 | 3 | 0.11 |
LGGRSBO08 | M8 | 0.15 | 8 | 110 | 15 | 4 | 0.23 |
LGGRSBO10 | M10 | 0.375 | 10 | 152 | 21 | 5 | 0.28 |
LGGRSBO12 | M12 | 0.5 | 12 | 175 | 27 | 6 | 0.8 |
LGGRSBO16 | M16 | 0.75 | 16 | 229 | 27 | 10 | 1.4 |
LGGRSBO20 | M20 | 1.2 | 20 | 229 | 33 | 12 | 2 |
LGGRSBO22 | M22 | 1.6 | 22 | 305 | 33 | 15 | 3.5 |
LGGRSBO24 | M24 | 2 | 24 | 325 | 42 | 16 | 4 |
LGGRSBO28 | M28 | 2.8 | 28 | 356 | 48 | 18 | 4.5 |
LGGRSBO32 | M32 | 3.75 | 32 | 381 | 48 | 20 | 6.5 |
LGGRSBO36 | M36 | 4.25 | 36 | 381 | 60 | 22 | 8 |
LGGRSBO38 | M38 | 5 | 38 | 406 | 60 | 24 | 11 |
LGGRSBO45 | M45 | 7.2 | 45 | 406 | 70 | 24 | * |
LGGRSBO50 | M50 | 10 | 50 | 406 | 76 | 26 | * |