Master Links

Working Load Limit (WLL): 11,300 lbs (5.13 metric tons) Design Factor: 4:1 safety ratio (ultimate strength is 4 times the WLL) Material: Quenched and tempered forged carbon steel body with alloy steel pins Chain Compatibility: Designed for Grade 3, Grade 4, and Grade 7 (Transport)

Working Load Limit (WLL): 6,600 lbs (3.3 tons) Material: Forged and heat-treated carbon steel body with quenched and tempered alloy steel pins Design Factor: 4:1 ultimate strength (ultimate load is 4 times the WLL) Chain Compatibility: Approved for use with Grade 3, Grade 4, and Grade 7 (Transport) chains

Chain Compatibility: Optimized for use with 1/4-inch to 5/16-inch transport chain systems. It is fully compatible with Grade 30, Grade 43, and Spectrum 7® Grade 70 chains. Working Load Limit (WLL): Rated for a maximum load capacity of 4,700 lbs. Safety Factor: Features a design safety factor of 4:1 for standard configurations. Materials & Construction: The primary body is crafted from forged, heat-treated carbon steel, while the alloy steel connection pins are thoroughly quenched and tempered for extreme durability.

S-247: The specific product model series for Crosby Double Clevis Links.5/16 and 3/8: Indicates that this single connector is dual-rated to secure both 5/16-inch and 3/8-inch industrial chains.163: References Page 163 of the legacy Kito Crosby Corporate Catalog where the S-247 engineering metrics, ultimate load tables, and dimensional charts are published.

Dormer Pramet S2471/4: This is a 1/4-inch ball-nosed end mill featuring 4 flutes (4FL). It is constructed with an extra-long reach and is coated in Titanium Aluminum Nitride (TiAlN) for enhanced heat and wear resistance during high-speed machining. You can check availability or order specs directly through tool suppliers like Perry M

Stock Number: 1013147Chain Size Compatibility: 1/2 inch Material Construction: Forged carbon steel body with heat-treated alloy steel pins. Design Factor: 4:1 ultimate strength to Working Load Limit ratio.

1/2" DOUBLE CLEVIS MIDLINKS-COLM609>

The Crosby G-335 (5/8") is a heavy-duty, hot-dip galvanized "Missing Link"® replacement connecting link used to repair, connect, or extend 5/8-inch chains. Manufactured by The Crosby Group under stock number 1013236, this item serves as a temporary or permanent bridge for non-overhead rigging and tie-down applications.>

The Crosby G-335 5/16" is a hot-dip galvanized, drop-forged carbon steel connecting link, famously trademarked as the "Missing Link"®. It is manufactured by the Kito Crosby Group under the specific Stock Number 1013138. It is primarily engineered to repair low-grade carbon steel chains or to bridge connections between a chain and end-fittings like master links or hooks.

Working Load Limit (WLL): 2,750 lbs (1.25 metric tons) Design Factor: 4:1 safety margin (Ultimate load is 4 times the WLL) dMaterial: Forged carbon steel, quenched and tempered for optimal durability

Trade Size: 1/4 inch (also covers 9/32" applications depending on the chain standard). Working Load Limit (WLL): 1,325 lbs (0.66 tons) with a standard 4:1 design factor .Material: Quenched and tempered drop-forged steel with a hot-dip galvanized finish for weather and corrosion resistance. Design: Interlocking halves are joined together by integral rivets rather than interlocking lugs, making the overall profile highly compact.

he Crosby G-341 1/2" (often typed as G3341/2) is a 1/2-inch hot-dip galvanized weldless pear-shaped sling link manufactured by Kito Crosby. It is primarily used as an intermediate or connecting point in wire rope and chain sling rigging configurations.

Crosby® QUIC-CHECK® 3522217 A-342 1-3/4 in Master Link, Trade, 84900 lb Load, Alloy Steel

Crosby® QUIC-CHECK® 3522216 A-342 1-1/2 in Trade,Master Link, 61100 lb Load, Alloy Steel

Crosby® 1014742 A-345W Master Link Assembly With Engineered Flat, 7/8 in Trade, 15200 lb Load, 80/100 Grade, Alloy Steel

Crosby® 1014285 A-342W Master Link, 3/4 in Trade, 12300 lb Load, 80 Grade, Oblong/Oval, Alloy Steel

Crosby® 1014280 A-342 Master Link, 5/8 in Trade, 9000 lb Load, 80 Grade, Oblong/Oval, Alloy Steel

Crosby® 1014266 A-342W Master Link, 1/2 in Trade, 7400 lb Load, 100 Grade, Oblong/Oval, Alloy Steel

Crosby® 1011547 A-1345N Master Link Assembly, 5/8 in Trade, 67800 lb Load, 100 Grade, Alloy Steel

Crosby® 1011529 A-1345N Master Link Assembly, 3/8 in Trade, 26400 lb Load, 100 Grade, Alloy Steel

Crosby® 1014331 A-342W Master Link, 1 in Trade, 26000 lb Load, 100 Grade, Oblong/Oval, Alloy Steel

Size: 5/8"
Single Leg Chain Diameter: 5/16"
Double Leg Chain Diameter: 9/32" (1/4")
Type: Oblong Master Link
Inside Length: 6"
Inside Width: 3"
MPN: 1014280
Model: A-342
Rated for Overhead Lifting

The Crosby A-342 series refers to high-strength, forged alloy master links used for heavy-duty rigging and overhead lifting applications. Depending on whether you are referencing the 3/4-inch material size or the 4-inch material size, the technical specifications vary drastically.

Working Load Limit: 7,400 lbs.
Safety Factor: 5:1
Rated for Overhead Lifting: Yes
Grade: 100
Diameter: 1/2"
Material: Forged Alloy Steel
Product Weight: 1.3 lbs.
Standards: Meets or exceeds All ASME B30.26 requirements.
Manufacturer Name: Crosby
Brand Part Number: 1014266
Shipping and Returns: This item cannot be returned due to safety risks associated with used materials.
Additional Info: Grade 100 Chain Sling: Double leg chain diameter: 6 mm