The DongCheng HD092900 9-Piece Ball Point Hex Key Set is engineered for angular access and fast screw driving in confined, obstructed spaces. Featuring precision-machined spherical ball ends on the long arms, these keys can engage socket head fasteners at angles up to 25 degrees off-axis, making them essential for reaching awkward fasteners that straight-profile hex keys cannot access.

The short arm features a standard flat hex end to deliver high torque for final tightening and initial breaking loose. Drop-forged from premium Chrome Vanadium (CR-V) alloy steel and thoroughly heat-treated, they resist edge rounding and shaft twisting. Finished with protective chrome plating, the set includes 9 metric sizes: 1.5mm to 10.0mm. Held in a hinged organizer caddy and packaged in a slide blister.

Key Features

• 25° Off-Axis Ball Point Ends: Spherical tips allow angled engagement to drive screws in obstructed, tight locations.
• Dual-End Utility: Ball point end provides fast angled entry; standard flat end delivers maximum seated torque.
• High-Strength CR-V Steel: Heat-treated Chrome Vanadium alloy resists wear, rounding, and twisting under load.
• Durable Chrome-Plated Finish: Polished coating shields against rust, corrosion, and shop lubricants.
• Comprehensive 9-Piece Metric Range: Covers 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm, and 10mm.
• Hinged Organizer Clip: Compact indexed caddy keeps all nine keys locked securely in place.

Applications

• Servicing obstructed socket cap screws on industrial machines, motors, and hydraulic pumps
• Automotive repairs, engine bay fittings, bracket adjustments, and tight dashboard screws
• Bicycle suspension setups, disc brake alignments, and handlebar fixtures
• Electronics racks, laboratory equipment, and general mechanical maintenance

Technical Specifications

Size/Model-wise Table