Sailing dinghy blocks

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single block
single block
376

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 ...

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Harken
single block
single block
402-001-01

Working load: 70 kg
Breaking load: 140 kg
Weight: 7 g

SINGLE STRAP 402-001-01 Purchase: 2 Mounting: 90

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Seldén Mast AB
single block
single block
401-001-01

Working load: 70 kg
Breaking load: 140 kg

SINGLE COMPOSITE 401-001-01 Purchase: 2 Comment:

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Seldén Mast AB
single block
single block
401-001-02

Working load: 100 kg
Breaking load: 200 kg
Weight: 10 g

SINGLE BRASS 401-001-02 Purchase: 2 Comment :

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Seldén Mast AB
double block
double block
RF15202

Working load: 240 kg
Breaking load: 700 kg
Weight: 23 g

... bearing block available Precision moulded acetal sheave running on stainless steel ball bearings provide high performance & low friction Single loop head blocks include an O-ring to separate running ...

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Ronstan
single block
single block
HT925 series

Working load: 120 kg - 300 kg
Breaking load: 350, 550, 600, 400 kg
Weight: 24, 28, 26, 32, 12 g

... Acetal resin 316 stainless steel straps Axle: 316 stainless steel Line size:2.5 - 6mm USAGE Control Lines Lead Blocks Vang Cascades Cunningham Systems Halyard Leads Rig Tension Systems - (Boat Breakers)

triple block
triple block
30724

Working load: 200 kg
Breaking load: 500 kg
Thickness: 27 mm

Complete range of stainless steel blocks for dinghies Light weight, reliable and good performance Available in a wide range of size and fastening systems Applications For dinghies ...

ratchet block
ratchet block
EX1299

Ball bearing 57mm ratchet Optimist mainsheet block. Most economic ratchet block available.

single block
single block
P-Tech & C-Tech hooks

Working load: 200 kg - 1,500 kg
Breaking load: 3,000, 2,500, 2,000, 800, 400 kg
Center diameter: 14, 10, 8, 6 mm

... etc) + DATA SHEET - Nodus Factory opening friction ring made of Self-lubricating technical plastic resin ¬ black - Block®, clamping and holding ring, made of technical PA, which can lock and quickly fix a textile ...

double block
double block
Sleek®

Working load: 300 kg
Breaking load: 600 kg
Center diameter: 6 mm

The Sleek® low-friction P-Tech® carbon pulley, Nodus Factory™ is very light, reliable and highly resistant to friction for dynamic use. It can be used in many applications with all types of non-abrasive ropes. An ultra-light, compact ...

single block
single block
3506585055

Working load: 175 kg
Breaking load: 700 kg
Weight: 39 g

... fixing of bows and swivels by means of bolts and rings low weight and excellent price/performance ratio Plain bearing block for 6 mm rope with stainless steel side parts. Mounted on a base plate with a bolt, and ...

double block
double block
3532902055

Working load: 112 kg
Breaking load: 450 kg
Weight: 28 g

... extremely small and lightweight blocks of compact shape Many versions and fields of application but especially suitable for kicking strap, jigger or trimming lines excellent price/performance ratio Versatile Micro ...

double block
double block
A.165LZ

Working load: 310 kg
Breaking load: 620 kg

Allen V Cleat Blocks are a simple yet effective choice for many vang and Cunningham setups. Available in stainless steel or die-cast aluminium and with different fixing accessories giving choices to suit most applications.

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Allen Brothers
single block
single block
A..16B

A..16B Sheave Boxes Low Profile Aluminium Sheave Box - Ball Bearing Sheave Boxes Allen Sheave Boxes are available with a plain bearing or ball bearing sheave. We also have the following choice of sheave material to suit your ...

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Allen Brothers
single block
single block
A...4

A...4 Sheave Boxes Aluminium Sheave Box - Plain Bearing Sheave Boxes Allen Sheave Boxes are available with a plain bearing or ball bearing sheave. We also have the following choice of sheave material to suit your application: ...

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Allen Brothers
single block
single block
7385M

Center diameter: 25 mm

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NENUPHAR
single block
single block
31330

Working load: 200 kg
Breaking load: 420 kg
Weight: 45 g

Ball bearing sheave diam: 40 mm Max. rope diam. : 10 mm Breaking load: 420 kg

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NENUPHAR
single block
single block
7392

Center diameter: 20, 25, 28, 30 mm

Stanchion block.For stanchion diam. 20 mm to 25 mm Ball bearing sheave diam. 30 mm

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NENUPHAR
double block
double block
R1570

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

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RWO
single block
single block
19.76

Working load: 250 kg
Breaking load: 530 kg

"19" Single Block with Integral Swivel SKU: 19.76 Single Ball Race Block with swivel Breaking Load:530kg Safe work load:250kg Category: 19mm blocks

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Sea Sure
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How to choose this product
sailing-dinghy-block

Numerous different blocks can be found on sailing dinghies. They are usually designed for thin lines of no more than eight millimeters in diameter.

Applications

Blocks can be found on sail trim tackle and line leads of all types.

Technologies

Most such blocks are small and equipped with ball bearings. Cable blocks and sheaves are used for the mast when the halyard is not of rope.

How to choose

Working loads are usually superior to those found aboard a dinghy, but this parameter is important to optimize performance. In general, choice will depend on line diameter.