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Working load: 70 kg
Breaking load: 140 kg
Weight: 7 g
... SINGLE STRAP 402-001-01 Purchase: 2 Mounting: 90 ...
SELDÉN MAST
Working load: 70 kg
Breaking load: 140 kg
... SINGLE COMPOSITE 401-001-01 Purchase: 2 Comment: ...
SELDÉN MAST
Working load: 100 kg
Breaking load: 200 kg
Weight: 10 g
... SINGLE BRASS 401-001-02 Purchase: 2 Comment : ...
SELDÉN MAST
Working load: 550, 900, 1,300 kg
Breaking load: 1,100, 1,800, 2,600 kg
... USSpars produces four different block sizes: 28mm, 45mm, 60mm, 80mm. ...
Working load: 113 kg
Breaking load: 544 kg
Weight: 11 g
... The 16 mm is Harken’s smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race and has a 250 lb (113 kg) maximum working ...
Harken
Working load: 480 kg
Breaking load: 900 kg
Thickness: 42 mm
... removed for maintenance Applications For dinghies and catamarans applications: genoa sheets, boom vang, footmast block, masthead block… For larger yachts: barber-hauler, cunnigham, various, control lines… Materials ...
Wichard
Working load: 1,300 kg
Breaking load: 2,600 kg
Thickness: 37 mm
... Center diameter (mm) - 15.4 Side material - Stainless steel / inox ...
KARVER SYSTEMS
Working load: 500 kg
Breaking load: 1 t
Weight: 113 g
... Weight - 0.113 kg Boat size - 10 to 110 ft Workload - 0,50 T Breaking load - 1,00 T ...
KARVER SYSTEMS
Working load: 1 t
Breaking load: 2 t
Weight: 174 g
... Weight - 0.174 kg Boat size - 10 to 110 ft Workload - 1,00 T Breaking load - 2,00 T ...
KARVER SYSTEMS
Working load: 1,200, 1,650, 3,000 kg
Rutgerson’s Clewblocks have a 60mm, 80mm or 100mm removable acetal sheave and are available in both silver and black anodized cheek plates. The webbing slots are smoothly rounded in order to prevent chafe for maximum durability, and the appliance angles ...
RUTGERSON
Working load: 700 kg
Breaking load: 1,250 kg
Weight: 115 g
... Single block with spherical plain bearing and composite sides and sheave ...
RUTGERSON
Working load: 450 kg
Breaking load: 850 kg
Weight: 50 g
... Single block with spherical plain bearing and composite sides and sheave ...
RUTGERSON
Working load: 1,800 kg
Breaking load: 3,600 kg
Weight: 375 g
... a high-performance sailboat block designed for demanding marine applications. Constructed with a combination of aluminum and Delrin, it features a ball bearing system and a robust shackle for secure attachment. This block ...
UBI MAIOR ITALIA
Working load: 1,250 kg
Breaking load: 2,500 kg
Weight: 250 g
... a high-performance sailboat block designed for demanding marine applications. It features a fiddle configuration with becket, constructed from aluminum and Delrin, and utilizes ball bearings for smooth operation. The block ...
UBI MAIOR ITALIA
Working load: 1,250 kg
Breaking load: 2,500 kg
Weight: 170 g
... The YC60M is a stand-up sail block designed for marine applications, featuring an aluminum body, Delrin ball bearing, and shackle. This product is part of the Yacht Club line and is engineered for durability and high performance in demanding ...
UBI MAIOR ITALIA
... Product Details - Diameter (Ø): 6 mm - Block Width (BD): 4 mm - Diameter (D): 30 mm Sizes: For rope 6 mm Materials: Stainless Steel A2/Plastic - Free shipping on orders over €70 including tax - 30-day satisfaction guarantee or your ...
Working load: 160 kg
... This jammer block is for situations where a fixed foot block cant help: peeling spinnakers, or changing a sheet winch Controlled spinnaker handling Attached with webbing strop, positioned on a toe rail or padeye No ...
Spinlock
Working load: 500 kg
Breaking load: 2,000 kg
The sheave assemblies are made from anodized aluminium. Sheaves are fitted with a ball bearing system.
Working load: 380 kg - 2,000 kg
... – These blocks are made of a material GVX, designed from high resistance fiberglass.- Hooked with a toggle, an articulated toggle, or a shackle ...
Breaking load: 1,600 kg
... Made entirely in anodised light alloy and AISI 316 stainless steel with delrin sheave. Suitable for genoa and spinnaker sheets. Code 198.332 For lines: Ø max 12 mm Black sheave length: 96 mm Breaking load: 1600 Kg, fixed by means of four M5 TS ...
Working load: 1,750 kg
... 10 Series Single Block with Stainless Steel cheeks and Aluminum "universal circuit" ball bearing sheave. Aluminum sheave run on Delrin(tm) ball bearings for a very strong yet low-friction sheave. Stainless Steel D shackle run on a swivel ...
Schaefer
Working load: 300 kg
Breaking load: 600 kg
Weight: 120 g
... optimized rope guidance by specially formed cheek parts and trap of stainless steel for more security and stability wobble riveting avoids sharp burrs on the rivet head marking of the maximum rope Ø in the enhancing strap cheek of glass fibre reinforced ...
SPRENGER
Working load: 1,000 kg
Center diameter: 60 mm
Weight: 95 g
... Looper series, single block, sheave Ø60, SWL 1000 kg Ø sheave (D) 60 mm Side bearing Delrin balls Radial bearing Composite Fibre Weight 95 gr Ø max line 10 mm SWL 1000 kg Material Aluminum Sheave material Resin ...
Antal
Working load: 2, 3, 4, 7 t
... The LB 2-to-1 snatch blocks are fitted with polymer bearing replaces the SB models (needle bearing). Facnor has designed this new stripped-down version made in aluminum for lighter, more simple and more attractive halyard 2-to1 solution! Four ...
Working load: 115 kg
Breaking load: 540 kg
... bearing blocks on the market. The range is available with different types of accessories including lacing eyes, hooks, swivels and cleats. The range also features a central rivet that provides great options as a tie on becket. You’ll ...
Allen Brothers
Breaking load: 225 kg
Weight: 15 g
... Series 17 double block with loop top and 17mm Acetal sheave and stainless steel sided plates for general purpose use.Ideal for small marine and industrial rope applications ...
RWO
Weight: 662, 254, 189, 218, 174 g
... A strong, lightweight range of blocks for use on dinghies and dayboats or as lead blocks on larger craft. A comprehensive range of multiple sheave options, together with fiddles and cam cleat blocks, ...
Barton Marine
Weight: 3 kg
... Product
Bi-directional pulley for fishing vessels, model H36, intended for deck rigging and hauling.
Parameters
- Model: H36
- Material: 2205 duplex stainless steel
- Surface finish: cast body with machined
Bohang Industrial Technology Co., Ltd
Working load: 125 kg
Breaking load: 750 kg
Weight: 11 g
... filled nylon with 316 stainless Steel straps Axle: - 316 stainless Steel Line size:2.5 - 6mm USAGER Control Lines Lead Blocks Vang Cascades Cunningham Systems Halyard Leads ...
Holt
... Swivel Double Sheave Block With Bridge Material: SS304/SS316 Size:25mm/32mm/50mm Surface Treatment:"EP" (Electro Polished) Swivel Double Sheave Block With Bridge are compact and lightweight multi-purpose snatch ...
GMTmarine
Working load: 20 t
... has led marine and industrial engineering, delivering reliable equipment for demanding environments. The Petec 20-Ton Snatch Block, specifically designed for the commercial fishing industry, combines exceptional durability with functionality. ...
Petec Services
The TurboSwing EZ Pulley™ is designed to provide smooth pulls every time. Featuring a self-lubricating Delrin roller, the EZ Pulley helps reduce friction on the rider by allowing a smooth lateral transition along the TurboSwing tow bar. This greatly improves ...
Working load: 900 kg
Breaking load: 1,800 kg
Thickness: 43 mm
... to its innovative patented technology, Olli Block preserves the surface it comes into contact with. In other words, no noise and no damage to your boat. What Makes Olli Block the Best Choice Olli Block: ...
A block comprises a sheave, or wheel held between two cheeks and a fitting to attach the unit to a fixed point. Its use multiplies mechanical advantage and reduces wear on the lines that run through it.
ApplicationsBlocks are used to make up block and tackle to increase purchase, as well as for halyard, sheet and other leads. Thus, they are typically found on sailboats, but may be used on any type of boat or ship, even if only for hoisting a flag or for davit operation.
TechnologiesBlock sheaves can be single, double, triple or even more. Most are of aluminum, stainless steel or titanium, though wood is often used on traditional sailboats. Cable blocks usually have a metal sheave. In friction blocks, the sheave is in direct contact with the axle, while other types have ball bearings or rollers.
Ratchet blocks have internal springs and a toothed mechanism to keep tension on the line between two pulls. They are most common in dinghy sailing. Block anchoring is via a shackle, a swivel or snap shackle, a fork or another system, which will depend on the rotational or torsional freedom of movement required.
Roller models are probably the most efficient, combining the friction reduction of ball bearings and the superior sturdiness of the roller. Each block's rated operational and breaking load must be respected, as well as the maximum line diameter it can handle.
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