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A2121

20mm Single Dynamic Through Deck Block

20mm Single Dynamic Through Deck Block

£24.45 ex VAT £29.34 inc VAT
ex VAT £0.00 inc VAT £24.45 ex VAT £29.34 inc VAT
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In stock - 304 units(Can be backordered)

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Description

20mm Single Dynamic Through Deck Block

The 20mm Single Dynamic Through Deck Block provides smooth, low-friction guidance for rope control lines passing through a deck. Designed for adjustable rigging and other applications, it features a durable acetal body precisely shaped to support and protect the sheave.

Key Features

  • Single-sheave through deck design for efficient line routing
  • Hard-wearing acetal body for long-lasting performance
  • Ideal for adjustable rigging and high-load applications
  • Patented Dynamic Bearing System with twin rows of stainless-steel ball bearings running on a stainless-steel rail
  • Superior load-carrying capability and service life compared to bearing systems running on plastic rails
  • Delivers smooth, reliable performance in applications requiring constant sheave movement
Accessories Through Deck
Bearing type Dynamic
Brand Allen
Breaking load kg 350
Configuration Single
Fixing hole diameter mm 4.2
Fixing type Countersunk
Hole pitch mm 42
Iges GenericFileDrop
Iges file link https://abassets.ams3.digitaloceanspaces.com/iges/a2121.igs
Length mm 54
Maximum line diameter mm 6
Maximum working load kg 105
Number of fixing holes 2
Number of sheaves 1
Pdf GenericFileDrop
Pdf ref link https://abassets.ams3.digitaloceanspaces.com/product_files/a2121-ref-v2.pdf
Related collection CollectionDrop
Sheave diameter mm 20
Sheave material Acetal
Sheave width mm 7
Short description Single Through Deck
Slot size mm 34 x 16
Swipe
SKU Title Breaking Load Kg Max Working Load Kg Hole Pitch mm Fixing Hole Dia mm Max Line Dia mm Length mm Sheave Dia mm Sheave Material Sheave Width mm Slot Size mm Weight (g) Price
A2122

20mm Double Dynamic Through Deck Block

 350 105 64 4.2 6 75 20 Acetal 7 55 x 16 18
£36.70 ex VAT £44.04 inc VAT
ex VAT £0.00 inc VAT £36.70 ex VAT £44.04 inc VAT
A2122HL

20mm Double High Load Through Deck Block

 350 - 63 - 6 75 20 Stainless Steel 7 55 x 16 33
£73.55 ex VAT £88.26 inc VAT
ex VAT £0.00 inc VAT £73.55 ex VAT £88.26 inc VAT
A2121

20mm Single Dynamic Through Deck Block

 350 105 42 4.2 6 54 20 Acetal 7 34 x 16 11
£24.45 ex VAT £29.34 inc VAT
ex VAT £0.00 inc VAT £24.45 ex VAT £29.34 inc VAT
A2121HL

20mm Single High Load Through Deck Block

 400 - 42 4.2 6 54 20 Stainless Steel 7 34 x 16 18
£42.89 ex VAT £51.47 inc VAT
ex VAT £0.00 inc VAT £42.89 ex VAT £51.47 inc VAT
A2132

30mm Double Dynamic Through Deck Block

 500 140 90 5.2 8 77 30 Acetal 10 90 x 17 45
£45.37 ex VAT £54.44 inc VAT
ex VAT £0.00 inc VAT £45.37 ex VAT £54.44 inc VAT
A2132HL

30mm Double High Load Through Deck Block

 500 - 90 5.2 8 77 30 Stainless Steel 10 77 x 17 45
£85.50 ex VAT £102.60 inc VAT
ex VAT £0.00 inc VAT £85.50 ex VAT £102.60 inc VAT
A2131HL

30mm Single High Load Through Deck Block

 500 - 60 5.2 8 74 30 Stainless Steel 10 47 x 17 26
£50.32 ex VAT £60.38 inc VAT
ex VAT £0.00 inc VAT £50.32 ex VAT £60.38 inc VAT
SA..94

Adaptor For A..94

 - - - To Fit 35mm Tube - - - - - - 18
£13.68 ex VAT £16.42 inc VAT
ex VAT £0.00 inc VAT £13.68 ex VAT £16.42 inc VAT
A..94

Nylon Mast Head Sheave Box - Plain Bearing

 - - - To Fit 20mm Tube - - 36 Acetal 6 - 41
£36.70 ex VAT £44.04 inc VAT
ex VAT £0.00 inc VAT £36.70 ex VAT £44.04 inc VAT
A...8

Nylon Sheave Box - Plain Bearing

 700 300 80 4 - - 38 Acetal 12 70 x 22 41
From £10.13 ex VAT £12.16 inc VAT
ex VAT £0.00 inc VAT From £10.13 ex VAT £12.16 inc VAT