The UIAA equipment standard provides a baseline for equipment performance in a test lab under controlled conditions on new equipment. Although these test conditions are relevant to the conditions encountered climbing, conditions encountered at the crags and the condition of the equipment are equally important. This recommendation from the UIAA member federation The British Mountaineering Council (BMC) provides vital equipment information that is NOT explicitly addressed in the standard, particularly failure modes of the equipment and recommendations for the use, inspection, maintenance, and retirement of equipment.
Hector Screw
Description
Large versatile pear-shaped HMS carabiner with screw gate designed for multiple uses mainly for belaying or anchoring when working at heights.
Due to high strength and large gate opening it is mainly used as a central carabiner when anchoring.
Pear-shaped basket facilitates belaying with the Münter hitch or other belay devices.
Angled snag free Keylock nose for smooth clipping and unclipping maneuvers.
Rough notches on the screw locking sleeve for easy manipulation even with gloves.
Each carabiner is individually tested for a strength of 10 kN.
Large rope bearing area for better rope glide and reduced wear on the carabiner.
Gate opening and basket area are large enough to easily accommodate a big anchor point or more slings.
Hot-forged I-beam construction makes the carabiner extremely strong, stiff and light.
Excellent ergonomic provides perfect handling with the carabiner.
Anodized finishing increases corrosion resistance.
Large versatile pear-shaped HMS carabiner with screw gate designed for multiple uses mainly for belaying or anchoring when working at heights.
Due to high strength and large gate opening it is mainly used as a central carabiner when anchoring.
Pear-shaped basket facilitates belaying with the Münter hitch or other belay devices.
Angled snag free Keylock nose for smooth clipping and unclipping maneuvers.
Rough notches on the screw locking sleeve for easy manipulation even...
Retail price
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Weight (g)![]() ![]() |
83 g |
Shape![]() ![]() |
Pear / HMS |
Locking![]() ![]() |
Screw |
Straight or Bent![]() ![]() |
Straight |
Full Size![]() ![]() |
Yes |
Keylock![]() ![]() |
Yes |
Solid or Wire![]() ![]() |
Solid |
Gate Opening![]() ![]() |
26 mm |
Number of Colors![]() ![]() |
2 |
Lock Indicator![]() ![]() |
No |
Strengths (kN)![]() ![]() | ![]() ![]() ![]() |
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How to use Singing Rock carabiner, storage and maintenance with instructional pictures.
A pictoral representation of UIAA-121 and EN-12275 standards for connectors (the UIAA's fancy word for carabiners).