ID
1393819
$ 182.08
1-2 weeks delivery time
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SeaSure 01.03 is a 25 mm single high-load block with becket, designed for medium- to high-load applications with slow-running ropes. It uses a brass sheave with stainless steel side plates and a simple plain bearing, with an MBS / breaking load of 950 kg and an SWL of 475 kg. The becket provides an attachment point for the rope and allows the block to form part of a 2:1 purchase system. SeaSure specifies a maximum rope diameter of 4 mm.
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SeaSure 01.03 25 mm Brass Sheave Single High-Load Block with Becket
SeaSure 01.03 is a 25 mm single block with becket designed to carry higher loads than standard Mini blocks. It is intended for medium- to high-load applications with slow-running ropes and is commonly used with Dyneema, Spectra and Kevlar lines.
The block uses a brass sheave together with stainless steel side plates. SeaSure states that the stainless steel side plates help prevent highly abrasive ropes from cutting into the block structure.
The integrated becket provides an attachment point for the rope and allows the block to be used as part of a 2:1 purchase system, helping reduce the load on the rope during lifting.
The SeaSure 01.03 has a maximum breaking strength (MBS) of 950 kg and a safe working load (SWL) of 475 kg. The supplied catalogue data specifies a maximum rope diameter of 5 mm, while SeaSure lists a maximum rope diameter of 4 mm.
Product Features
- Brand: SeaSure
- Manufacturer article number: 01.03
- Product type: Single high-load block with becket
- Series: Mini
- Block type: Pin
- Sheave size: 25 mm
- Sheave material: Brass
- Side plate material: Stainless steel
- Bearing type: Simple / plain bearing
- Becket: Yes
- Maximum rope diameter: 5 mm according to supplied catalogue data
- Maximum rope diameter: 4 mm according to SeaSure
- Number of sheaves: 1
- MBS / breaking load: 950 kg
- SWL: 475 kg
- Swivel: No
- Ratchet: No
- Clamp: No
- Colour: Stainless steel
Applications and Rope Types
- Medium- to high-load applications
- Slow-running ropes
- 2:1 purchase systems
- Dyneema lines
- Spectra lines
- Kevlar lines
Technical Specifications
Parameter Specification Manufacturer Article 01.03 Series Mini Block Type Pin Size 25 mm Number of Sheaves 1 Sheave Material Brass Bearing Simple / plain bearing Becket Yes Maximum Rope Diameter – Supplied Catalogue Data 5 mm Maximum Rope Diameter – SeaSure 4 mm MBS / Breaking Load 950 kg SWL 475 kg Swivel No Ratchet No Clamp No Colour Stainless steel -
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