Nautos HT2020 SC Single Swivel Block, 20 mm Sheave
- Brand:
- Nautos
- Part no:
- HT2020SC
Image: velasailingsupply.com
Where to buy
View on Amazonpaid link
Specifications
- Sheave diameter
- 20 mm
- Bearing
- Ball
- Max working load
- 204.12 kg
- Breaking load
- 544.31 kg
- Swivel
- Swivel
The Nautos HT2020 SC is a single swivel block with a 20 mm sheave. Stainless steel balls roll on stainless steel rails inside it, and a full molded jacket covers the sheave. The head is cold forged and radiused to allow more articulation. Its working load is 204.12 kg and its breaking load is 544.31 kg.
Our take
The 204.12 kg working load sits well under the 544.31 kg breaking load, so the rated figure leaves a wide gap before failure. The cold forged radiused head is made for more articulation, which matters on a swivel block.
From our buying guide
Ball-bearing blocks give the lowest friction on lines running under moderate loads. Plain bearings have more friction, but handle very high and static loads.
Check before you buy:
- A ratchet block is rated for the full sheet load.
- Any becket's load limit suits the job, since a becket can be rated below the block itself.
- A soft-attach block will be looked after, since Harken warns soft attachments are prone to wear and recommends them only for regularly maintained race boats.