{"product_id":"allen-ball-end-hex-key-wrench-set","title":"Allen Ball End Hex Key Wrench 1.5mm 2mm 2.5mm 3mm 4mm 5mm 6mm 8mm 10mm 12mm 14mm","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003eAllen Ball End Hex Key Wrench Set — Reach Fasteners at Any Angle\u003c\/h2\u003e\n\u003cp\u003eWhen a bolt is recessed in a tight cavity or sits at an awkward angle, a standard hex key forces you to stop, reposition, and try again — slowing down every repair. DIYers, cyclists, furniture assemblers, and maintenance technicians who work with socket-head cap screws and set screws every day need a wrench that keeps up. The Allen ball end hex key wrench is built for exactly that situation.\u003c\/p\u003e\n\u003cp\u003eEach wrench is machined from chrome-vanadium steel (Cr-V) with a ball-end tip on the long arm and a standard hex tip on the short arm. Available in 11 individual sizes: 1.5 mm (0.059 in), 2 mm (0.079 in), 2.5 mm (0.098 in), 3 mm (0.118 in), 4 mm (0.157 in), 5 mm (0.197 in), 6 mm (0.236 in), 8 mm (0.315 in), 10 mm (0.394 in), 12 mm (0.472 in), and 14 mm (0.551 in).\u003c\/p\u003e\n\u003cp\u003eTypical use cases include tightening stem bolts and derailleur limit screws on road and mountain bikes, assembling flat-pack furniture with recessed hex bolts, adjusting set screws on CNC fixtures and machine guards, and servicing automotive interior trim panels where fastener access is restricted.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-compat\"\u003e\n\u003cspan class=\"hdiy-compat-icon\"\u003e🔩\u003c\/span\u003e Compatible with all standard metric socket-head cap screws, set screws, and grub screws following ISO 4762 \/ DIN 912 dimensions.\u003c\/div\u003e\n\u003cdiv class=\"hdiy-features\"\u003e\n\u003ch2\u003e✅ Key Features of These Allen Ball End Hex Key Wrenches\u003c\/h2\u003e\n\u003cul class=\"hdiy-list\"\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚙️\u003c\/span\u003e\u003cstrong\u003eBall-End Long Arm\u003c\/strong\u003e — Engages fasteners at up to approximately 25–30° off-axis, letting you drive screws without a straight-line approach.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e\u003cstrong\u003eStandard Hex Short Arm\u003c\/strong\u003e — Full-contact flat tip for maximum torque when final tightening or breaking loose a stubborn fastener.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\u003cstrong\u003eChrome-Vanadium Steel Construction\u003c\/strong\u003e — Cr-V alloy resists deformation under high torque and provides corrosion resistance for workshop and outdoor use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e\u003cstrong\u003e11 Metric Sizes in One Listing\u003c\/strong\u003e — Covers 1.5 mm through 14 mm, matching the most common metric socket-head fastener range used in bicycles, furniture, and machinery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e✨\u003c\/span\u003e\u003cstrong\u003eBlack Oxide Finish\u003c\/strong\u003e — Reduces surface glare, adds a layer of mild corrosion protection, and gives a clean, professional appearance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🎯\u003c\/span\u003e\u003cstrong\u003eChamfered Tip Entry\u003c\/strong\u003e — Slightly chamfered hex faces guide the key into the fastener socket quickly, reducing cam-out risk during repeated use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ch2\u003e📐 Technical Specifications — Allen Ball End Hex Key Wrench\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eBall End Hex Key (Allen Key \/ Allen Wrench)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDrive Standard\u003c\/th\u003e\n\u003ctd\u003eMetric (ISO 4762 \/ DIN 912 compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Sizes\u003c\/th\u003e\n\u003ctd\u003e1.5 mm, 2 mm, 2.5 mm, 3 mm, 4 mm, 5 mm, 6 mm, 8 mm, 10 mm, 12 mm, 14 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eChrome-Vanadium Steel (Cr-V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eBlack Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTip Style (Long Arm)\u003c\/th\u003e\n\u003ctd\u003eBall End — engages at up to ~25–30° off-axis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTip Style (Short Arm)\u003c\/th\u003e\n\u003ctd\u003eStandard Hex (flat face)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold As\u003c\/th\u003e\n\u003ctd\u003eIndividual piece (select size above)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHardness\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between the ball end and the standard hex end on this wrench?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThe ball-end tip on the long arm allows the wrench to engage a fastener at an angle — typically up to about 25–30° off-axis — so you can drive screws in confined spaces without needing a straight approach. The short arm has a standard flat hex tip that provides full surface contact for maximum torque when you need to apply extra force to break loose or fully seat a fastener.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhich size should I choose for bicycle stem bolts and derailleur screws?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eMost road and mountain bike stem bolts use 4 mm or 5 mm hex keys. Derailleur limit and cable-pinch screws are typically 2 mm or 2.5 mm. Brake caliper mounting bolts often require 5 mm or 6 mm. Check your component manufacturer's specification if you are unsure — the size is usually stamped on the bolt head or listed in the component manual.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs chrome-vanadium steel strong enough for high-torque applications?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eChrome-vanadium (Cr-V) steel is a standard alloy for hand tools because it combines good tensile strength with toughness, meaning it resists both bending and sudden impact. For typical DIY and light-to-medium professional use — furniture assembly, bicycle maintenance, and general machinery adjustment — Cr-V hex keys are well-suited. For very high-torque industrial fastening, always use the short arm (standard hex end) rather than the ball end, which is designed for access, not maximum torque.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes the black oxide finish protect against rust?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eBlack oxide provides mild corrosion resistance by converting the surface iron into a thin magnetite layer. It is suitable for dry indoor workshop environments. For prolonged outdoor exposure or humid conditions, wiping the wrench with a light machine oil after use will extend its service life. Black oxide is not a substitute for stainless steel or heavy plating in corrosive environments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use this wrench on inch (imperial) fasteners?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThese wrenches are metric sizes only (1.5 mm–14 mm). Metric and imperial hex sizes are not interchangeable — using a metric key on an imperial fastener (or vice versa) risks rounding the socket. If you work with both metric and SAE fasteners, you will need a separate imperial (inch) hex key set.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I know which size to buy for furniture assembly?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eFlat-pack furniture most commonly uses 4 mm and 5 mm hex bolts for structural joints, and 3 mm for smaller fittings. The required size is usually shown in the assembly instructions or printed on the hardware bag. If you are replacing a lost key, measure the bolt socket width across flats with a caliper — that measurement equals the hex key size you need.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these sold as a set or individually?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eEach listing is for one individual wrench. Select the specific size you need from the size options above. This lets you replace a single worn or lost key without purchasing a full set, or stock up on the sizes you use most frequently.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your size above, then add to cart.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"HomeDIYer","offers":[{"title":"1.5mm","offer_id":52378080215314,"sku":"WSS043303x1","price":2.45,"currency_code":"USD","in_stock":true},{"title":"2mm","offer_id":52378080248082,"sku":"WSS043304x1","price":2.83,"currency_code":"USD","in_stock":true},{"title":"2.5mm","offer_id":52378080280850,"sku":"WSS043305x1","price":3.71,"currency_code":"USD","in_stock":true},{"title":"3mm","offer_id":52378080313618,"sku":"WSS043306x1","price":3.88,"currency_code":"USD","in_stock":true},{"title":"4mm","offer_id":52378080346386,"sku":"WSS043307x1","price":4.2,"currency_code":"USD","in_stock":true},{"title":"5mm","offer_id":52378080379154,"sku":"WSS043308x1","price":4.8,"currency_code":"USD","in_stock":true},{"title":"6mm","offer_id":52378080411922,"sku":"WSS043309x1","price":6.3,"currency_code":"USD","in_stock":true},{"title":"8mm","offer_id":52378080444690,"sku":"WSS043310x1","price":11.46,"currency_code":"USD","in_stock":true},{"title":"10mm","offer_id":52378080477458,"sku":"WSS043311x1","price":15.48,"currency_code":"USD","in_stock":true},{"title":"12mm","offer_id":52378080510226,"sku":"WSS043312x1","price":25.57,"currency_code":"USD","in_stock":true},{"title":"14mm","offer_id":52378080542994,"sku":"WSS043313x1","price":38.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture1of16_f010e34a-5259-416b-ba24-4c6bfec5ad12.jpg?v=1781749588","url":"https:\/\/homediyer.com\/de\/products\/allen-ball-end-hex-key-wrench-set","provider":"HomeDIYer","version":"1.0","type":"link"}