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290
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CKS
SHEAVE
DIAM.
MAX.
ROPE
MAX.
WIRE
PIN
DIAM. M.W.L. B.L. WEIGHT
SHEAVE
DIAM.
MAX.
ROPE
MAX.
WIRE
PIN
DIAM. M.W.L. B.L. WEIGHT
PRODUCT No.
DESCRIPTION
mm mm mm mm kg kg
g
in.
in.
in.
in.
lb lb
oz
Ball Bearing
RF40140
Stand-up block, swivel head
40
10 -
-
350 800 71
1 9/16 3/8 -
-
770 1760 2.5
RF40171
Upright lead block
40
10 -
-
350 1000 60
1 9/16 3/8 -
-
770 2200 2.1
RF44000
Sheave, alloy, Torlon
®
balls
40
6
-
-
-
-
15
1 9/16 1/4 -
-
-
-
0.5
RF44108
Single block, clevis pin head, alloy sheave, Torlon
®
balls
40
6
-
6 240 1100 60
1 9/16 1/4 -
7/32 530 2430 2.1
High Load
RF40171HL
Upright lead block
40
10 4
-
500 1000 59
1 9/16 3/8 5/32 -
1100 2200 2.1
Accessories
RF6170
Snap shackle head adapter
-
-
-
5 500 1000 49
-
-
-
3/16 1100 2200 1.7
RF6171
Trunnion snap shackle head adapter
-
-
-
5 500 1000 62
-
-
-
3/16 1100 2200 2.2
Low profile stand-up block has swivel head post to allow full ar ticulation
and rotation.
Clevis Pin head block has an alloy sheave with oversize Torlon
®
ball bearings to minimise friction.
Snap shackle adapters suit single and fiddle blocks and are available in
standard and trunnion versions.
Mainsheet, halyard, vang and spinnaker control lines on off-the-beach
catamarans, one design classes and spor tsboats up to 8m (26ft).
Acetal ball bearings.
Alloy sheave versions use Torlon
®
ball bearings.
U.V. stabilised Acetal sheaves. High Load blocks have a self lubricating
Nylatron
®
sheave.
Impact modified, fibre reinforced and U.V. stabilised Nylon cheeks.
Grade 316 stainless steel load straps and head fittings.
RF134, RF134A (countersunk holes)
Suits loop head blocks
RF804
6mm (7/32”) pin, suits RF44108
RF40140
RF44108
(
)
2 x 5mm 3/16”
Series 40
RF6170
RF6171
RF44000
6mm (7/32”)
RF40171
RF40171HL
