{"id":9574529958125,"title":"DN8 Lock Nut for Roller Screw，5Pack M8 x 1.25 Hex Nut, 42CrMo Steel, 6H Precision, Phosphated and Lubricated Anti Backlash, Copper Setscrew Included 5","handle":"dn8-lock-nut-for-roller-screw-5pack-m8-x-1-25-hex-nut-42crmo-steel-6h-precision-phosphated-and-lubricated-anti-backlash-copper-setscrew-included-5","description":"\u003ch3\u003eDN8 Lock Nut for Roller Screw，5Pack M8 x 1.25 Hex Nut, 42CrMo Steel, 6H Precision, Phosphated and Lubricated Anti Backlash, Copper Setscrew Included\u003c\/h3\u003e\n\u003cp id=\"b\"\u003ePremium Lock Nut for Roller Screw Systems This DN8 lock nut is designed for\nhigh-performance roller screw assemblies, offering zero backlash, high\nrigidity, and long service life.balances strength and machinability, while the\nphosphate coating and pre-lubrication enhance corrosion resistance and smooth\noperation. Key Advantages Copper Setscrew Design: The integrated soft copper\nlocking screw prevents loosening under vibration, protecting your roller screw\nthreads from damage. Hexagonal Shape: Fits standard wrenches for easy\ninstallation in tight spaces. Ultra-Precise Threads: 6H tolerance guarantees\nconsistent fit with M8×1.25 roller screws (ideal for micro-adjustments). Low\nRunout Tolerance: Ensures even load distribution and reduces wear on screw\nassemblies. Applications  CNC machinery, linear actuators, and servo drives\n3D printers, optical stages, and automation systems\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eMade from 42CrMo alloy steel (HRC 24-28) for durability and wear resistance; 6H precision threads (M81.25) ensure smooth engagement with roller screws, minimizing backlash; Extremely low end-face runout (0.002-0.005mm) for stable axial positioning in high-accuracy applications.\u003c\/li\u003e\n \u003cli\u003eBuilt-in copper setscrew provides extra locking force without damaging screw threads; Hexagonal shape allows easy tightening with standard wrenches (prevents rotation slippage).\u003c\/li\u003e\n \u003cli\u003ePhosphate coating + lubrication reduces friction and resists rust in harsh environments; Ideal for CNC machines, 3D printers, robotics, and industrial automation.\u003c\/li\u003e\n \u003cli\u003eMultiple sizes available (M3-M40) contact us for custom requirements\u003c\/li\u003e\n \u003c\/ul\u003e","published_at":"2026-09-16T02:51:12+10:00","created_at":"2026-09-09T13:29:50+10:00","vendor":"Mssoomm","type":"Locknuts","tags":["industrial_Sep2026"],"price":18000,"price_min":18000,"price_max":18000,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50650339672301,"title":"5 \/ M8 x 1.25","option1":"5","option2":"M8 x 1.25","option3":null,"sku":"B0FC6B2Z68","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"DN8 Lock Nut for Roller Screw，5Pack M8 x 1.25 Hex Nut, 42CrMo Steel, 6H Precision, Phosphated and Lubricated Anti Backlash, Copper Setscrew Included 5 - 5 \/ M8 x 1.25","public_title":"5 \/ M8 x 1.25","options":["5","M8 x 1.25"],"price":18000,"weight":40,"compare_at_price":null,"inventory_management":"shopify","barcode":"MS-5-DN8SJLM-M8x1.25","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/leoforward.com\/cdn\/shop\/files\/B0FC6B2Z68.jpg?v=1788924592","\/\/leoforward.com\/cdn\/shop\/files\/41b5E-XupPL.jpg?v=1788924593","\/\/leoforward.com\/cdn\/shop\/files\/51gCnlKr8OL.jpg?v=1788924592","\/\/leoforward.com\/cdn\/shop\/files\/41DL88BQ_VL.jpg?v=1788924592","\/\/leoforward.com\/cdn\/shop\/files\/41kESsNpo8L.jpg?v=1788924592","\/\/leoforward.com\/cdn\/shop\/files\/31bE15sc3YL.jpg?v=1788924592"],"featured_image":"\/\/leoforward.com\/cdn\/shop\/files\/B0FC6B2Z68.jpg?v=1788924592","options":["Number of Items","Size"],"media":[{"alt":null,"id":41955876012269,"position":1,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/leoforward.com\/cdn\/shop\/files\/B0FC6B2Z68.jpg?v=1788924592"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/B0FC6B2Z68.jpg?v=1788924592","width":500},{"alt":null,"id":41955876045037,"position":2,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/leoforward.com\/cdn\/shop\/files\/41b5E-XupPL.jpg?v=1788924593"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/41b5E-XupPL.jpg?v=1788924593","width":800},{"alt":null,"id":41955876077805,"position":3,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/leoforward.com\/cdn\/shop\/files\/51gCnlKr8OL.jpg?v=1788924592"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/51gCnlKr8OL.jpg?v=1788924592","width":500},{"alt":null,"id":41955876110573,"position":4,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/leoforward.com\/cdn\/shop\/files\/41DL88BQ_VL.jpg?v=1788924592"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/41DL88BQ_VL.jpg?v=1788924592","width":800},{"alt":null,"id":41955876143341,"position":5,"preview_image":{"aspect_ratio":1.002,"height":499,"width":500,"src":"\/\/leoforward.com\/cdn\/shop\/files\/41kESsNpo8L.jpg?v=1788924592"},"aspect_ratio":1.002,"height":499,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/41kESsNpo8L.jpg?v=1788924592","width":500},{"alt":null,"id":41955876176109,"position":6,"preview_image":{"aspect_ratio":0.75,"height":500,"width":375,"src":"\/\/leoforward.com\/cdn\/shop\/files\/31bE15sc3YL.jpg?v=1788924592"},"aspect_ratio":0.75,"height":500,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/31bE15sc3YL.jpg?v=1788924592","width":375}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eDN8 Lock Nut for Roller Screw，5Pack M8 x 1.25 Hex Nut, 42CrMo Steel, 6H Precision, Phosphated and Lubricated Anti Backlash, Copper Setscrew Included\u003c\/h3\u003e\n\u003cp id=\"b\"\u003ePremium Lock Nut for Roller Screw Systems This DN8 lock nut is designed for\nhigh-performance roller screw assemblies, offering zero backlash, high\nrigidity, and long service life.balances strength and machinability, while the\nphosphate coating and pre-lubrication enhance corrosion resistance and smooth\noperation. Key Advantages Copper Setscrew Design: The integrated soft copper\nlocking screw prevents loosening under vibration, protecting your roller screw\nthreads from damage. Hexagonal Shape: Fits standard wrenches for easy\ninstallation in tight spaces. Ultra-Precise Threads: 6H tolerance guarantees\nconsistent fit with M8×1.25 roller screws (ideal for micro-adjustments). Low\nRunout Tolerance: Ensures even load distribution and reduces wear on screw\nassemblies. Applications  CNC machinery, linear actuators, and servo drives\n3D printers, optical stages, and automation systems\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eMade from 42CrMo alloy steel (HRC 24-28) for durability and wear resistance; 6H precision threads (M81.25) ensure smooth engagement with roller screws, minimizing backlash; Extremely low end-face runout (0.002-0.005mm) for stable axial positioning in high-accuracy applications.\u003c\/li\u003e\n \u003cli\u003eBuilt-in copper setscrew provides extra locking force without damaging screw threads; Hexagonal shape allows easy tightening with standard wrenches (prevents rotation slippage).\u003c\/li\u003e\n \u003cli\u003ePhosphate coating + lubrication reduces friction and resists rust in harsh environments; Ideal for CNC machines, 3D printers, robotics, and industrial automation.\u003c\/li\u003e\n \u003cli\u003eMultiple sizes available (M3-M40) contact us for custom requirements\u003c\/li\u003e\n \u003c\/ul\u003e"}