EXTRACUT 9-Piece Hex Key Wrench Set (Black Oxide) a workshop essential for driving internal hexagon (Allen) socket screws and bolts. Forged from heat-treated chrome vanadium steel with precision-machined ends, each L-key provides a true, slip-free fit that protects fastener sockets from rounding. The black oxide finish offers a non-reflective, corrosion-resistant surface ideal for professional tool kits.
Key Features
- Heat-Treated Cr-V Steel — Chrome vanadium steel, hardened and tempered for high torque strength and long service life.
- Precision-Machined Ends — Accurate hex profile grips socket screws fully, preventing rounding and cam-out.
- Long and Short Arm — Long arm for reach and leverage; short arm for access in tight, confined spaces.
- Corrosion-Resistant Finish — Black oxide coating resists rust and provides a non-glare professional look.
- Complete Metric Range — Nine sizes from 1.5mm to 10mm cover the majority of furniture, bike, and machinery fasteners.
- Organized Holder — Included clip or caddy keeps keys sorted and portable.
Applications
Furniture assembly, bicycle maintenance, machinery and appliance service, automotive interior trim, and any task involving internal hex (Allen) socket fasteners.
Specifications
| Specification |
Value |
| Piece Count |
9 Keys |
| Material |
Chrome Vanadium (Cr-V) Steel |
| Finish |
Black Oxide |
| Drive Type |
Hex (Allen) Internal |
| Sizes (Metric) |
1.5, 2, 2.5, 3, 4, 5, 6, 8, 10 mm |
| Profile |
Long / Short Arm (L-Key) |
| Hardness |
HRC 48 – 52 |
| Standards |
DIN 911 |
| Holder |
Included Clip / Caddy |
| Best For |
Furniture, Bicycles, Machinery, Appliances |