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303
RZ1704
Double,
fixed shackle head
865 g
30.5 oz
RZ1701
Single,
bolt head
500 g
17.6 oz
ACETAL (POM)
SHEAVE DIAM.
75 mm
3 in
MAX. ROPE
14 mm
9/16 in
MWL
1500 kg
3300 lb
BL
3000 kg
6600 lb
Tel +1 (401) 293 0539
Fax +1 (401) 293 0538
Email sales@ronstan.us
www.RonstanIndustrial.com
Features
Load rated.
Choice of fixed or swivel head models.
Easy to service removable sheaves
(3/8” UNC bolt & Nyloc nut).
Removable becket to suit pre-spliced lines.
Durable, low friction Acetal polymer sheave.
Heavy duty aluminium sheave models
available (‘AW’ suffix).
Swivel head blocks available with either screw
shackle pin or clevis pin with retaining ring.
Materials
Body: Grade 316
stainless steel,
powder coated black.
Sheave: Acetal (POM)
or aluminium.
Shackle, post, U-piece:
Grade 316 stainless steel.
Clevis pin: Grade 2205
stainless steel.
Series 75 Industrial Pulley Blocks
Bolt/Pin Dimensions
Shackle screw pin: 5/16” (8mm)
Shackle clevis pin: 5/16” (8mm)
Head bolt - single sheave models:
3/8” UNC
Head bolt - multi sheave models:
5/16” UNC
Sheave bolt: 3/8” UNC
Becket bolt: 3/8” UNC
RZ1702
Single, becket,
bolt head
600 g
21.2 oz
Swivelling
and pivoting
shackle head.
1. Allows correct
alignment &
easy attachment
of pulley block.
2. Shackle pin
drilled for use of
security wire.
Member of
the Australian
Stainless Steel
Development
Association
Removable
becket to suit
pre-spliced
lines.
1. Pre-spliced lines
are neat, compact
and provide
maximum security
(over knotted
terminations).
Clevis pin
with retaining
ring option
available.
1. Clevis pin
with retaining
ring versions
available - order
as RZxxxxC.
Provides tool-
free attachment
and removal.
Rope cleat.
1. Simple, secure
holding of rope.
Just pull the
line through the
cleat jaws. Jaws
prevent the line
slipping back out.
2. Flick the rope
up out of jaws to
release.
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1
1
1
2
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