Dave Gerr - Boat Mechanical Systems Handbook-How to Design, Install, and Recognize Proper Systems in Boats

(Rick Simeone) #1

TABLE 23-6. GALVANIZED SCREW-PIN CHAIN OR “D”-SHACKLE SPECIFICATIONS


Ins

ide

Ins

ide

Nom

inal Nom

inal W

idth

@

W

idth

@

Ins

ide

Ins

ide

Outs

ide Outs

ide

Work

ing

Work

ing

Si

ze S

ize

Eyes

Eyes

Tolerance Tolerance Length Length Tolerance Tolerance W

idth W

idth P

in or Bolt P

in or Bolt Load L

im

it Load L

im

it

inches

mm

inches

mm

+
/−

inches

+
/−

mm

inches

mm

+
/−

inches

+
/−

mm

inches

mm

di

a.

inches d

ia. mm

Tons*

MTons*

1 /
4

6.35

15
/^32

11.91

1 /^16

1.58

7 /^8

22.22

1 /^16

1.58

3 /^4

19.05

5 /

16

7.94

1 /
2

0.45

5 /

16

7.94

17 /

32

13.49

1 /^16

1.58

1

25.40

1 /^16

1.58

7 /^8

22.22

3 /
8

9.52

3 /
4

0.68

3 /
8

9.52

21 /

32

16.67

1 /^16

1.58

1
1 /
4

31.75

1 /
8

3.17

1

25.40

7 /
16

11.11

1 0.91

7 /
16

11.11

23
/^32

18.25

1 /^16

1.58

1
1 /
2

38.10

1 /
8

3.17

1
1 /^8

28.57

1 /
2

12.70

(^11)
/^2
1.36
1 /
2
12.70
13
/^16
20.64
1 /^16
1.58
1
11
/^16
42.86
1 /
8
3.17
1
1 /
4
31.75
5 /
8
15.87
2 1.81
5 /
8
15.87
1
1 /^16
26.98
1 /^16
1.58
2
50.80
1 /
8
3.17
1
5 /
8
41.27
3 /
4
19.05
(^13)
/^4
2.95
3 /
4
19.05
1
1 /
4
31.75
1 /^16
1.58
2
5 /
16
58.74
1 /
4
6.35
1
7 /^8
47.62
7 /^8
22.22
(^34)
/^4
4.31
7 /^8
22.22
1
7 /
16
36.51
1 /^16
1.58
2
7 /^8
73.02
1 /
4
6.35
2
1 /^8
53.97
1
25.40
(^16)
/^2
5.89
1
25.40
1
11 /
16
42.86
1 /^16
1.58
3
1 /
4
82.55
1 /
4
6.35
2
1 /^2
63.5
1
1 /
8
28.57
(^18)
/^2
7.71
*Tons


2,000 lb.; MTons


2,000 kg

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