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Working load: 220 kg
Breaking load: 440 kg
Thickness: 17 mm
Grey KB6 round lashing block The KB is Karver’s iconic round block. It is one of the first products that we have designed and it is a concentrate of our DNA : Performance, Innovation and Design. It is ...
Karver Systems
Working load: 600 kg
Breaking load: 1,200 kg
Thickness: 23 mm
KB6 round lashing block The KB is Karver’s iconic round block. It is one of the first products that we have designed and it is a concentrate of our DNA : Performance, Innovation and Design. It is timeless, ...
Karver Systems
Working load: 1,000 kg
Breaking load: 2,000 kg
Thickness: 22 mm
Grey KB8 round lashing block The KB is Karver’s iconic round block. It is one of the first products that we have designed and it is a concentrate of our DNA : Performance, Innovation and Design. It is ...
Karver Systems
Working load: 800, 1,100, 2,000, 3,500 kg
... Lewmar HTX Hardware Range. Drawing upon the design of the Racing Range, the HTX blocks are constructed simply from high quality materials, providing enhanced reliability. HTX blocks are ideal for frequently ...
Lewmar
Working load: 800 kg - 15,000 kg
Lewmar's Racing Blocks represent the pinnacle of our standard block range. Manufactured from the best materials, they offer incredible strength to weight ratios. Features Lockable head pin Highly ...
Lewmar
Working load: 2,000, 450, 1,100, 800 kg
... swivel locking mechanism Applications Plain bearing blocks are typically used for heavy and static loads in: Halyard tuning Mainsheet systems Mast foot blocks Mast head blocks ...
Lewmar
Working load: 70 kg
Breaking load: 140 kg
Weight: 7 g
SINGLE STRAP 402-001-01 Purchase: 2 Mounting: 90
Seldén Mast AB
Working load: 70 kg
Breaking load: 140 kg
SINGLE COMPOSITE 401-001-01 Purchase: 2 Comment:
Seldén Mast AB
Working load: 100 kg
Breaking load: 200 kg
Weight: 10 g
SINGLE BRASS 401-001-02 Purchase: 2 Comment :
Seldén Mast AB
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 ...
Working load: 300 kg
Compact stanchion lead system Compact furling line guide system Reduces line friction during furling Fairlead model WL/1 straightline guide for intermediate stanchions Sheave model WL/2 for line entry and exit stanchions with unique ...
Working load: 450 kg
Breaking load: 850, 3,600, 1,250 kg
Weight: 50 g
Single block with spherical plain bearing and composite sides and sheave
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: 1,150 kg
Breaking load: 2,100 kg
Weight: 205 g
Single block with spherical plain bearing and composite sides and sheave
Rutgerson
Breaking load: 400, 500, 700 kg
The Nodus opening pulley stands out for its high strength and extreme lightness. For an extremely compact size, they offer an exceptional workload. The T® shackle is a textile shackle specially designed for transfer pulleys. + USE - ...
NODUS FACTORY
Working load: 700, 400, 500 kg
... directly from the sheaves to the attachment point, allowing for lightweight side plates. The link blocks share the same performance bearing system as the dynamic blocks. + DESCRIPTION The Nodus ...
NODUS FACTORY
Breaking load: 500, 700 kg
... the mainsail on the textile pantry. + TECHNICAL DATA - Friction ring D ¬ Hardened anodized Duralumin ring ¬ Black - Block® ring, clamping and retaining ring, made of soft Thermoplastic TPE. - Body of the pulley ...
NODUS FACTORY
Working load: 600, 1,000, 400 kg
The design of the sheave mounting prevents the rope from easily snagging. The bolt used at the swivel joint section is a size larger as compared with the former one and strengthened. *Materials: SCS14 (equivalent to SUS316), Swivel/Swivel ...
ASANO GLOBAL CO. LTD.
Working load: 1.6, 700 t
Daruma Block type PB,Single Sheave (with Bearing) V sheave type PAT. Equipped with sheaves of V-shape that has been developed for using wire ropes. We have also U-type, 100mm diameter. *Material: SCS14 (equivalent ...
ASANO GLOBAL CO. LTD.
Working load: 2.5, 3 t
Heavy Duty Block Type-PB -Single Sheave The tough "Heavyduty Block" is reborn to be tougher. -Strength is improved by using a double arm for the top and a rib structure for the main body. Based ...
ASANO GLOBAL CO. LTD.
Articulated pulley which will facilitate the tension of the sail attached to the adjustment ring
Swivel Double Sheave Block With Bridge Material: SS304/SS316 Size:25mm/32mm/50mm Surface Treatment:"EP" (Electro Polished)
Swivel Single Sheave Block With Bridge Material: SS304/SS316 Size:25mm/32mm/50mm Surface Treatment:"EP" (Electro Polished)
Working load: 600 kg
Breaking load: 900 kg
Center diameter: 5 mm
... body features “ears” at the top of the block. These are to be used when attaching the block and stop the block from capsizing when under load. Sheave – The stainless-steel sheave allows ...
Allen Brothers
Working load: 600 kg
Breaking load: 900 kg
Center diameter: 5 mm
... features “ears” at the top of the block. These are to be used when attaching the block and stop the block from capsizing when under load. Sheave – The stainless-steel sheave allows ...
Allen Brothers
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 ...
Allen Brothers
Working load: 500 kg
Breaking load: 2,000 kg
The sheave assemblies are made out of anodized aluminium. Sheaves are fitted with a ball bearing system.
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
Working load: 130 kg
Breaking load: 450 kg
Weight: 115 g
Series 19 stainless steel ball bearing triple swivel becket and cam block, maximium line size 6mm, maximium working load 130kgs
RWO
Breaking load: 650 kg
Weight: 18 g
Series 25 stainless steel sided single block with clevis pin top. Which are extremely versatile making them ideal for small marine and industrial rope applications
RWO
Versatile cheek block for 12 mm rope with easy running stainless steel ball bearing. Further advantages at a glance: side parts and pulley made of UV-resistant, glass-fibre reinforced plastic no sharp ridges ...
SPRENGER
Versatile Micro XS cheek block for 6 mm rope, which is characterised by its particularly low weight. The cage and bearing shells are made of robust stainless steel, the cover plates are made of black, UV-resistant ...
SPRENGER
Working load: 112 kg
Breaking load: 450 kg
Versatile Micro XS cheek block for 4 mm rope, which is characterised by its particularly low weight. The cage and bearing shells are made of robust stainless steel, the cover plates are made of black, UV-resistant ...
SPRENGER
Working load: 500 kg
Breaking load: 1,000 kg
Weight: 60 g
Ø SHEAVE: 40mm SHACKLE: 5mm MAX Ø LINE: 8mm MAX WORKING LOAD: 500Kg BREAKING LOAD: 1000Kg LENGTH: 72mm WEIGHT: 60g
UBI MAIOR ITALIA
Working load: 500 kg
Breaking load: 1,000 kg
Weight: 70 g
Ø SHEAVE: 40mm SHACKLE: 5mm MAX Ø LINE: 8mm MAX WORKING LOAD: 500Kg BREAKING LOAD: 1000Kg LENGTH: 92mm WEIGHT: 70g
UBI MAIOR ITALIA
Working load: 500 kg
Breaking load: 1,000 kg
Weight: 100 g
Ø SHEAVE: 40mm SHACKLE: 5mm MAX Ø LINE: 8mm MAX WORKING LOAD: 500Kg BREAKING LOAD: 1000Kg LENGTH: 72mm WEIGHT: 100g
UBI MAIOR ITALIA
Working load: 115 kg
Breaking load: 340 kg
Weight: 23 g
... and stop each other. The result is the most efficient small boat block Harken has ever made. Zircon blocks are available in 40- and 57-mm sheaves in single and double blocks, with or without beckets.
Harken
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
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 ...
Wichard
Working load: 250 kg
Breaking load: 550 kg
Weight: 9 g
... incredible Series 20 Orbit Block™ is capable of loads up to 250kg (550lb) while weighing a mere 9 grams. It’s so light that it needs to be lashed down! Series 20 BB Orbit Block™ Lashing Head User Instructions N.B. ...
Ronstan
Working load: 1,000 kg
Center diameter: 60 mm
Weight: 95 g
<p>Looper series, single block, sheave Ø 60, SWL 1000 kg</p> Looper is an ultralight one-piece-frame block provided with a dyneema Snap-Loop for fast, easy and safe connections. Characteristics: ...
Antal
Center diameter: 25 mm
NENUPHAR
Plain bearing block with nylon cheeks and acetal sheaves with EX1372 snap shackle. Lightweight, very strong and affordable. This mainsheet block is designed for Optimists and other small dinghies and ...
From over 20 years Solimar produces wooden, tuphnol, stainless steel blocks bronze fittings for classical boats. All the fittings are made with outer original shape by using modern technologies. Many versions and type ...
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 ...
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 ...
Schaefer
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
A sailboat block consists of one or more sheaves held between two cheeks or chocks. It increases mechanical advantage and can be used to alter the direction of lines running through it.
ApplicationsThese devices have multiple uses on board including mainsail block and tackle, spinnaker sheet guide, barber hauler, hell block, deck block and downhaul tackle, among others.
TechnologiesThe great majority of cruising sailboat blocks are aluminum or stainless steel. Titanium blocks now can be found on some racing boats, while traditional craft have beautiful wooden blocks. Single, double and even triple blocks are used in block and tackle to increase mechanical advantage, as on a mainsail sheet.
Blocks can be attached via a becket, a swivel, a rotating tower with a jam or cam cleat, a fork, a fabric strop or be screwed to the deck or attached to another fitting. Blocks with narrow metal sheaves are used with cable or wire rope. Sheaves can ride on ball bearings, rollers or a simple friction axle. Ratchet blocks have internal teeth so that the sheave turns in one direction only, making it easier to keep tension on the line.
Choice will depend on specific application, line diameter and the possible need for an integrated cleat. Blocks with rollers are generally the most efficient due to reduced friction and increased sturdiness.
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