Mammut Workhorse HMS Screwgate Carabiner

The Mammut Workhorse HMS Screwgate Carabiner is a robust and reliable pear-shaped carabiner designed for belaying, rappelling, and anchor building. Hot-forged from high-strength aluminum, it offers exceptional durability and a smooth, easy-to-operate screwgate locking mechanism. With a keylock nose for snag-free handling and a generous 24 mm gate opening, this carabiner is compatible with single, half, and twin ropes. Certified to CE EN 12275 and UIAA 121, it delivers 25 kN major axis strength, 10 kN minor axis strength, and 9 kN open gate strength, ensuring safety in demanding climbing situations.

Advantages

The Workhorse HMS Screwgate combines strength, ergonomics, and ease of use. Its hot-forged construction and anodized surface treatment provide long-lasting performance, while the keylock nose prevents snagging on slings or bolts. The smooth gate action and optimized shape make it comfortable to handle, even during prolonged use.

Suitable for

• Belaying and rappelling
• Anchor building
• Multi-pitch climbing
• Mountaineering and alpine climbing

Key specifications

• Type: HMS (Pear Shape) with Screwgate locking mechanism
• Material: Hot-forged aluminum, anodized
• Major axis strength: 25 kN
• Minor axis strength: 10 kN
• Open gate strength: 9 kN
• Gate opening: 24 mm
• Weight: 65 g
• Length: 110 mm, Width: 75 mm
• Certifications: CE EN 12275, UIAA 121
• Keylock nose: Yes

Recommendations

For climbers seeking a dependable, all-around carabiner for belaying and anchoring, the Mammut Workhorse HMS Screwgate is an excellent choice. Its robust construction and smooth operation make it a trusted companion on rock, ice, and alpine routes.