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CROSBY EYE HOOKS S-320N


All Crosby 320 Eye Hoist Hooks incorporate the following features:
  • Designed with a 5:1 Design Factor.
  • Chemical analysis and tensile tests performed on each PIC to verify chemistry and mechanical properties.
  • The most complete line of Eye hoist hooks.
  • Proper design, careful forging and precision controlled quenched and tempering give maximum strength without excessive weight and bulk.
  • Every Crosby Eye Hook has a pre-drilled cam which can be equipped with a latch. Even years after purchase of the original hook, latch assemblies can be added. (See pages 97-99)
  • Eye hooks are load rated.
  • Available in carbon steel and alloy steel.
  • Hoist hooks incorporate two types of strategically placed markings forged into the product which address two (2) QUIC-CHECK® features:
  • Deformation Indicators and Angle Indicators (see following page for detailed definition).

  • The following additional features have been incorporated in the newCrosby S-320N Eye Hoist Hooks.
    (Sizes 3/4 ton Carbon through 22 ton Alloy.)

  • Fatigue rated at 1-1/2 times the Working Load Limit at 20,000 cycles.
  • Can be proof tested to 2-1/2 times the working Load Limit.
  • Can be Metric Rated at 5:1 Design Factor.
  • Low profile hook tip.
  • New integrated latch (S-4320) meets the World class standard for lifting.
  • Heavy duty stamped latch interlocks with the hook tip.
  • High cycle, long life spring.
  • When secured with proper cotter pin through the hole in the tip of hook, meets the intent of OSHA Rule 1926.550(g) for personnel hoisting


  • Carbon eye hooks .75tC-40tC: proofload is 2 times working load limit.
    Designed with a 5 to 1 safety factor.
    Alloy eye hooks 1.25tA-31.5tA : proofload is 2.5 times working load limit.
    Designed with a 4 to 1 safety factor.
    Alloy eye hooks 37tA - 60tA: proofload is 2 times working load limit.
    Designed with a 4 to 1 safety factor.




    Working Load Limit*
    t

    Dimensions (mm)

    STAL WĘGLOWA

    SPEC. STOP STAL.

    A

    B

    C

    D

    F

    G

    H

    J

    K

    M

    O

    P

    Q

    T

    Deformation
    Indicator AA

    .75 †

    1.25 †

    112

    37.3

    84.8

    71.9

    31,8

    18,5

    20,6

    22,9

    16.0

    16.0

    22.6

    50.8

    19.1

    22.1

    38.0

    1.0 †

    1.6 †

    129

    44.5

    96.8

    79.0

    35,1

    21,3

    23,9

    23,6

    18.0

    18.0

    23.1

    56.9

    23.1

    24.9

    51.0

    1.6 †

    2.5 †

    143

    54.1

    105

    89.7

    38,1

    25,4

    29,5

    25,4

    22.4

    22.4

    25.4

    63.5

    28.7

    26.2

    51.0

    2.0 †

    3.2 †

    162

    61.2

    119

    101

    41,4

    28,7

    33,5

    28,7

    23.9

    23.9

    27.7

    71.6

    31.8

    29.5

    51.0

    3.2 †

    5.4 †

    201

    74.7

    147

    122

    50,8

    36,6

    41.4

    37,3

    33.3

    33.3

    34.5

    89.2

    39.6

    38.9

    63.5

    5.0 †

    8.0 †

    256

    96.8

    187

    159

    63,5

    46,0

    52,3

    44,5

    42.2

    42.2

    40.9

    114

    50.8

    49.8

    76.0

    7.5 †

    11.5 †

    316

    118

    230

    189

    76,2

    57,2

    66,8

    58,2

    47.8

    41.4

    52.8

    137

    62.0

    62.7

    102

    10 †

    16 †

    354

    137

    256

    211

    82,6

    65,8

    74.7

    63,5

    55.6

    49.3

    57.7

    152

    72.1

    66.5

    102

    15 †

    22 †

    434

    168

    318

    262

    108

    76,2

    88,9

    83,8

    68.3

    60.5

    76.7

    176

    88.9

    71.9

    127

    20 ††

    30 ††

    495

    178

    357

    346

    127

    91,9

    117

    102

    76.2

    -

    82.6

    223

    88.9

    87.4

    165

    25 ††

    37 ††

    630

    216

    462

    357

    137

    116

    127

    108

    91.9

    -

    76.2

    289

    114

    98.6

    178

    30 ††

    45 ††

    697

    236

    511

    392

    152

    129

    140

    121

    94.5

    -

    85.9

    321

    125

    121

    203

    40 ††

    60 ††

    821

    273

    602

    470

    178

    152

    165

    146

    113

    -

    105

    376

    145

    145

    254

    † New 320N Style Hook.
    †† S-320 Style Hook
    *NOTE:
    Proof load is 2 times Working Load Limit.
    Ali Carbon hooks - Minimum Ultimate Load is 5 times Working Load Limit,
    Alloy hooks - Minimum Ultimate Load is 4 times Working Load Limit

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