2020 Ronstan Sailboat Hardware Catalogue - Page 13



SPORTS BLOCKS
Series 20 Utility
RF20151
2 x 4mm (5/32”)
RF20151A
RF20000HL
RF20184
2 x 4mm (5/32”)
6mm (1/4”)
RF20171
11
8mm (5/16”)
RF20174
RF20180
)x k
16” hic
(3/ 32”) t
m
5m m (5/
m
8
.
3
2 x 4mm (5/32”)
m
10m/8”)
(3
2 x 4mm (5/32”)
RF20711A
RF20711
RF20711AHL
RF20711HL
2 x 4mm (5/32”)
RF613S
3mm (1/8”) pin, suits RF20100
RF20175
2 x 4mm (5/32”)
2 x 4mm (5/32”)
RF615
4mm (5/32”) pin, suits double & triple blocks
Cheek block RF20151 has through-hub
mounting for maximum strength.
Dinghy control lines and vangs.
BB sheaves: UV stabilised acetal.
Cheek block RF20151A suits pop
rivet mounting.
Cunninghams.
SP sheaves: Self-lubricating Nylatron®.
Traveller controls.
Ball bearings: Stainless steel.
Load straps, head fittings & hook (RF20180):
Grade 316 stainless steel.
RF20180 features a low profile swivelling hook for
quick and easy attachment. Suits rope,
stainless steel and webbing attachment points.
PRODUCT No.
DESCRIPTION
Ball Bearing
RF20151
RF20151A
RF20171
RF20174
RF20175
RF20180
RF20184
RF20711
RF20711A
Cheek block
Cheek block, rivet mount
Upright lead block
Pivoting lead block
Pivoting lead block, cleat
Single block, swivel hook head
Single block, loop mount
Exit block, cover plate
Exit block, side tabs
Special Purpose - Nylatron® Sheave
RF20000HL
Sheave, Nylatron®
RF20711HL
Exit block, cover plate
RF20711AHL
Exit block, side tabs
* Line load through cleat not to exceed 125kg (275lb).
SHEAVE
DIAM.
mm
MAX. MAX. PIN
ROPE WIRE DIAM. M.W.L.
mm
mm
mm
kg
B.L.
kg
WEIGHT
g
SHEAVE
DIAM.
in.
MAX. MAX. PIN
ROPE WIRE DIAM. M.W.L.
in.
in.
in.
lb
B.L.
lb
WEIGHT
oz
20
20
20
20
20
20
20
20
20
6
6
6
6
6
6
6
6
6
-
-
250 550
200 550
250 550
250 550
150* 300
100 200
250 550
250 1000
250 1000
14
17
18
30
79
21
22
22
22
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
1/4
1/4
1/4
1/4
1/4
1/4
1/4
1/4
1/4
-
-
550
440
550
550
330*
220
550
550
550
1210
1210
1210
1210
660
440
1210
2200
2200
0.5
0.6
0.6
1.1
2.8
0.7
0.8
0.8
0.8
20
20
20
6
6
6
3
3
3
-
275
275
2
22
22
3/4
3/4
3/4
1/4
1/4
1/4
1/8
1/8
1/8
-
610
610
2200
2200
0.1
0.8
0.8
1000
1000

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