The H-Lift Stainless Steel Snap Hook with Screw is a secure, spring-loaded connector designed for applications where accidental opening must be prevented. The integrated screw-lock sleeve over the gate allows the user to positively lock the hook closed after clipping, while the stainless steel construction provides long-term corrosion resistance in marine, outdoor, and industrial environments.
The Snap Hook with Screw Nut offers maximum security for rigging applications. Manufactured to DIN 5299D standards from marine-grade stainless steel, it features a locking sleeve that screws over the gate, preventing accidental opening due to vibration or movement. Available in standard and eyelet versions.
Features a manual Screw Nut (locking sleeve). Once tightened, it mechanically locks the gate closed, offering superior safety over standard spring hooks.
Made from high-grade AISI 316 (A4) or AISI 304 (A2) Stainless Steel. Ensures exceptional resistance to saltwater, rust, and harsh chemicals.
Produced to DIN 5299 Form D specifications, providing consistent dimensions and reliable load ratings for demanding rigging tasks.
Ideal for critical connections in boating, shade sails, flagpoles, and safety chains where vibration might otherwise disengage a standard latch.
| Item No. | Size (mm) | WLL (lbs) | Product Code |
|---|---|---|---|
| S-SKS04040 | 4 x 40 | 80 | 704102040 |
| S-SKS05050 | 5 x 50 | 100 | 704102050 |
| S-SKS06060 | 6 x 60 | 140 | 704102060 |
| S-SKS07070 | 7 x 70 | 200 | 704102070 |
| S-SKS08080 | 8 x 80 | 250 | 704102080 |
| S-SKS09090 | 9 x 90 | 280 | 704102090 |
| S-SKS10100 | 10 x 100 | 400 | 704102100 |
| S-SKS11120 | 11 x 120 | 500 | 704102120 |
| S-SK12140 | 12 x 140 | 600 | 704102140 |
| S-SK13160 | 13 x 160 | 700 | 704102160 |
| S-SK14180 | 14 x 180 | 900 | 704102180 |
| Item No. | Size (mm) | WLL (lbs) | Product Code |
|---|---|---|---|
| S-SKS04040 | 4 x 40 | 80 | 704102040 |
| S-SKS05050 | 5 x 50 | 100 | 704102050 |
| S-SKS06060 | 6 x 60 | 140 | 704102060 |
| S-SKS07070 | 7 x 70 | 200 | 704102070 |
| S-SKS08080 | 8 x 80 | 250 | 704102080 |
| S-SKS09090 | 9 x 90 | 280 | 704102090 |
| S-SKS10100 | 10 x 100 | 400 | 704102100 |
| S-SKS11120 | 11 x 120 | 500 | 704102120 |
| S-SKS12140 | 12 x 140 | 600 | 704102140 |
| S-SKS13160 | 13 x 160 | 700 | 704102160 |
| S-SKS14180 | 14 x 180 | 900 | 704102180 |
| Item No. | Size (mm) | WLL (lbs) | Product Code |
|---|---|---|---|
| S-SKE04040 | 4 x 40 | 80 | 704107040 |
| S-SKE05050 | 5 x 50 | 100 | 704107050 |
| S-SKE06060 | 6 x 60 | 140 | 704107060 |
| S-SKE07070 | 7 x 70 | 200 | 704107070 |
| S-SKE08080 | 8 x 80 | 250 | 704107080 |
| S-SKE09090 | 9 x 90 | 280 | 704107090 |
| S-SKE10100 | 10 x 100 | 400 | 704107100 |
| S-SKE11120 | 11 x 120 | 500 | 704107120 |
| S-SKE12140 | 12 x 140 | 600 | 704107140 |
| S-SKE13160 | 13 x 160 | 700 | 704107160 |
| S-SKE14180 | 14 x 180 | 900 | 704107180 |
| Item No. | Size (mm) | WLL (lbs) | Product Code |
|---|---|---|---|
| S-SES05050 | 5 x 50 | 100 | 704108050 |
| S-SES06060 | 6 x 60 | 140 | 704108060 |
| S-SES07070 | 7 x 70 | 200 | 704108070 |
| S-SES08080 | 8 x 80 | 250 | 704108080 |
| S-SES09090 | 9 x 90 | 280 | 704108090 |
| S-SES10100 | 10 x 100 | 400 | 704108100 |
| S-SES11120 | 11 x 120 | 500 | 704108120 |
| S-SES12140 | 12 x 140 | 600 | 704108140 |
| S-SES13160 | 13 x 160 | 700 | 704108160 |
| S-SES14180 | 14 x 180 | 900 | 704108180 |
Types, Applications, Usage & Safety Guidelines
A Snap Hook (also known as a spring hook, carabiner hook, or clip hook) is a metal coupling link with a spring-loaded gate. The gate allows the hook to quickly and reversibly connect components, making it one of the most versatile pieces of hardware in rigging, maritime, and general utility applications.
They are designed to connect ropes, chains, straps, or cables to other components like eye bolts, D-rings, or loops, allowing for rapid attachment and detachment without the need for tools.
Snap hooks come in various shapes and locking mechanisms depending on their intended use. The most common types include:
Design: The classic pear-shaped or oval fire brigade snap hook. It typically has a simple spring-loaded gate.
Use: General utility, shade sails, attaching cables, light rigging, and pet leashes.
Design: Features a rotating eye at the base that allows the hook to spin 360 degrees.
Use: Preventing tangles in ropes, leashes, flagpoles, and keychains.
Design: A more rounded, robust profile often used in marine environments.
Use: Marine, boating, and industrial applications where a smoother profile is required to prevent snagging.
Design: Uses a spring-loaded plunger (bolt) operated by a thumb trigger rather than a hinged gate.
Use: Scuba diving, pet leashes, and horse reins. Known for being very secure and less likely to open accidentally.
Snap hooks are ubiquitous across many industries:
Most snap hooks operate on a simple push-to-open principle. The spring mechanism ensures the gate snaps back into the closed position automatically as soon as it is released.
Standard DIN 5299C snap hooks are generally NOT certified for overhead lifting or personal fall protection (climbing/safety harnesses). For life-safety applications, you must use rated, certified carabiners (e.g., EN 362 or ANSI Z359 standards).
