Quick Ref: GSSS-4381
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Gunnebo Single Sheave Snatch Block with Shackle, Range 2,000kg to 30,000kg

Model:  GSSS-4381

Part N° WLL (t) For Steel Wire Rope (mm) Weight (kg) Sheave Dia (mm) Guide Price Quantity
4381-T22827 2 8-10 2.3 3” / 80 mm £  142.04
4381-T22828 4 10-13 7.3 4” / 100 mm £  215.35
4381-T22829 4 11-13 9.5 6” / 150 mm £  297.84
4381-T22830 8 16-20 13.2 6” / 150 mm £  337.19
4381-T22831 8 16-20 19.5 10” / 250 mm £  396.64
4381-T22832 12 20-22 27.7 8” / 200 mm £  566.39
4381-T22833 12 20-22 33.6 10” / 250 mm £  734.89
4381-T22834 15 20-22 28.1 8” / 200 mm £  679.16
4381-T22835 15 20-22 34 10” / 250 mm £  836.32
4381-T22836 20 26-30 43.1 16” / 400 mm £  1386.28
4381-T22837 30 30-32 123.8 20” / 500 mm £  3758.83
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Suits 8mm to 32mm Wire Rope

Gunnebo Johnson Snatch Blocks have the convenient side opening feature. This is true even of our heavy duty top dead-end models, and makes it easy to reeve the block without removing any fitting from the end of the wire rope. Other features include choice of swivel hook, shackle, eye fittings or Tailboard Blocks which have no fittings at all.

Specifications

Part N° WLL (t) For Steel Wire Rope (mm) Weight (kg)
SB2S3BS 2 8-10 2.266
SB4S4BS 4 10-13 6.953
SB4S6BS 4 11-13 8.462
SB8S6BS 8 16-20 13.053
SB8S10BS 8 16-20 19.131
SB12S8BS 12 20-22 27.258
SB12S10BS 12 20-22 32.65
SB15S8BS 15 20-22 28.1
SB1510BS 15 20-22 33.056
SB20S16BS 20 26-30 72.5
SB30S20BS 30 30-32 128
Gunnebo Single Sheave Snatch Block

Standard Features

  • Rugged and reliable
  • 4:1 design factor
  • Easy-open side plates
  • Metric rated
  • Large hand nuts
  • Retainer on latch pin
  • Anchor shackle with retainer pin
  • Bronze bushing

Optional Features

  • Proof load
  • Roller bearings
  • Marine epoxy paint
  • Heavy duty J-latch
  • Larger sizes
Wide Range

Now over 250 models and sizes, from 2 to 30 tonnes. Sheave sizes from 80 to 600 mm in diameter.

Multiple rope sizes and end fittings available.

Rugged

Johnson’s famous durability is well established in the industry. These blocks stand up to the toughest applications, whether in blistering sun or under icy blizzard conditions.

Reliable

From built-in strength comes the reliability long associated with the Johnson name. These blocks are performers, day after day and year after year. American quality you can count on.

Many Choices

Singles, doubles, top dead end, towing, oilfield, pipe laying and general construction. Sizes and specific models for all.

Convenient

Large, easy to grip hand nuts on all models, especially on the smallest models. Makes it easier to open and close under all conditions without removing gloves, and easy to tap with a hammer to loosen or lock down.

Secondary Securement

All hand nuts and shackles are fitted with ”R” pins as a secondary securement device, for example where inspection is limited or infrequent due to location or other factors.

Dimensions

Part N° Capacity (kg) A (mm)
B (mm) E (mm) F (mm) H (mm) J (mm) K (mm) L (mm)
SB2S3BS 2000 251 239 69 81 32 13 11 19
SB4S4BS 4000 373 351 92 121 57 22 22 25
SB4S6BS 4000 428 406 92 159 57 22 22 25
SB8S6BS 8000 487 462 102 158 59 25 25 38
SB8S10BS 8000 589 563 102 260 59 25 25 38
SB12S8BS 12,000 605 573 123 209 73 32 32 51
SB12S10BS 12,000 656 625 123 260 73 32 32 51
SB15S8BS 15,000 605 573 123 209 73 32 32 64
SB1510BS 15,000 656 624 123 260 73 32 32 64
SB20S16BS 20,000 934 893 148 412 102 41 41 57
SB30S20BS 30,000 1124 1083 147 514 102 41 41 89
Gunnebo Single Sheave Snatch Block Dimensions

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