2025 Ronstan Marine Catalogue - Catalog - Page 212
STAINLESS STEEL HARDWARE
Eye Bolts & U-Bolts
210
RF5270
RF5271
RF5272
RING BOLTS
EYE BOLTS
RF5280
U-BOLTS - STEPPED
Eye bolts and ring bolts are supplied with washers
and a nut.
RF5290
RF5292-M6
RF5292-M8
ANCHOR BOLTS
RF5280 is supplied with a washer and nut.
Grade 316 stainless steel.
U-bolts are supplied with a top plate,
backing plate and nuts.
B
C
A
D
E
A
A
A
C
E
E
E
B
B
C
C
D
B
D
D
A
mm
B
mm
C
mm
D
mm
E
mm
WEIGHT
g
A
in
B
in
C
in
D
in
E
in
WEIGHT
oz
1/4 UNC
1/4 UNC
25
25
5.0
5.0
63
90
25
51
20
22
35
40
1
1
3/16
3/16
2 1/2
3 1/2
1
2
3/4
7/8
1.2
1.4
3/16 UNC
3/16 UNC
1/4 UNC
1/4 UNC
1/4 UNC
1/4 UNC
1/4 UNC
5/16 UNC
5/16 UNC
5/16 UNC
5/16 UNC
3/8 UNC
3/8 UNC
3/8 UNC
3/8 UNC
10
10
12
12
12
12
12
13
13
13
13
17
17
17
17
4.0
4.0
5.5
5.5
5.5
5.5
5.5
7.0
7.0
7.0
7.0
8.5
8.5
8.5
8.5
76
100
81
108
132
160
180
111
139
162
187
116
140
167
193
51
75
51
76
102
127
152
76
102
127
152
76
102
127
152
38
51
38
51
51
51
51
51
51
51
51
51
51
51
51
10
15
25
30
35
40
50
60
65
75
80
80
90
100
110
13/32
13/32
15/32
15/32
15/32
15/32
15/32
1/2
1/2
1/2
1/2
21/32
21/32
21/32
21/32
5/32
5/32
7/32
7/32
7/32
7/32
7/32
9/32
9/32
9/32
9/32
11/32
11/32
11/32
11/32
3
4
3 3/16
4 1/4
5 3/16
6 5/16
7
4 3/8
5 1/3
6 3/8
7 3/8
4 1/2
5 1/2
6 5/8
7 5/8
2
3
2
3
4
5
6
3
4
5
6
3
4
5
6
1 1/2
2
1 1/2
2
2
2
2
2
2
2
2
2
2
2
2
0.4
0.5
0.9
1.1
1.2
1.4
1.8
2.1
2.3
2.7
2.8
2.8
3.2
3.5
3.9
Anchor Bolts & Nuts
RF5270
1/4 UNF
RF5271
1/4 UNF
RF5272
M6
RF5280
1/4 UNF
RF5290
1/4 UNF
RF5292-M6
M6
RF5292-M8
M8
6.4
6.4
6.1
6.4
6.4
6.4
6.4
4.8
4.8
4.8
4.8
4.8
4.8
4.8
50.0
77.0
22.5
50.0
22.5
22.5
22.5
27
54
9
27
8
8
8
14.4
14.4
14.4
14.4
14.4
14.4
14.4
19
27
18
26
12
12
12
1/4
1/4
1/4
1/4
1/4
1/4
1/4
3/16
3/16
3/16
3/16
3/16
3/16
3/16
1 31/32
3
7/8
1 31/32
7/8
7/8
7/8
1 1/16
2 1/8
11/32
1 1/16
5/16
5/16
5/16
9/16
9/16
9/16
9/16
9/16
9/16
9/16
0.7
1.0
0.7
0.9
0.4
0.4
0.4
U-Bolts - Stepped
RF559
1/4 UNC
RF543
5/16 UNC
RF541
5/16 UNC
RF544
5/16 UNC
RF547
5/16 UNC
RF548
5/16 UNC
RF549
5/16 UNC
24
26
26
26
26
26
26
8.0
9.5
9.5
9.5
9.5
9.5
9.5
38
25
38
52
76
102
128
25.5
35.0
35.0
35.0
35.0
35.0
35.0
6
4
7
7
29
55
69
70
95
105
110
130
150
170
15/16
1
1
1
1
1
1
5/16
3/8
3/8
3/8
3/8
3/8
3/8
1 1/2
31/32
1 1/2
2 1/16
3
4 1/32
5 1/32
3/4
1 3/8
1 3/8
1 3/8
1 3/8
1 3/8
1 3/8
1/4
5/32
9/32
9/32
1 3/32
2 5/32
2 3/4
2.5
3.4
3.7
3.9
4.6
5.3
6.0
PRODUCT No.
THREAD TYPE
Ring Bolts
RF26
RF424
Eye Bolts
RF156
RF157
RF159
RF160
RF161
RF162
RF163
RF164
RF165
RF166
RF167
RF168
RF169
RF170
RF171
