Master Links

The Crosby A-1337 3/4" is a heavy-duty LOK-A-LOY® 10 Alloy Connecting Link (Brand Part Number: 1015154) used for secure chain assembly in industrial lifting and rigging. It is specifically engineered to create reliable, permanent connections between chains, master links, and hooks without requiring special installation tools

orking Load Limit: 5,700 lbs.
Safety Factor: 4:1
Grade: 80 / 100
Chain Size: 5/16"
Item Weight: 0.35 lbs.
Standards: Meets or exceeds ASTM A952 / A952M & ASME B30.26 requirements.
Manufacturer Name: Crosby®

Crosby 1-1/2" A-341 Alloy Pear Link - 54300 lbs WLL

1-3/4" MASTER LINK 1014388

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

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.

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

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

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

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

Crosby® 1014266 A-342W Master Link, 1/2 in Trade, 7400 lb Load, 100 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® 1014285 A-342W Master Link, 3/4 in Trade, 12300 lb Load, 80 Grade, Oblong/Oval, 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® QUIC-CHECK® 3522216 A-342 1-1/2 in Trade,Master Link, 61100 lb Load, Alloy Steel

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

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.

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.

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

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.

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.>

1/2" DOUBLE CLEVIS MIDLINKS-COLM609>

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.

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