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{"title":"Kesle GB\/T6171 Hexagon Nuts Serve High Precision Mechanical Connection Nuts","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/4e\/6c\/93d50b55320b6aa03a9d93be4bf0-200x200-1\/kesle_gb_2ft6171_hexagon_nuts_serve_high_precision_mechanical_connection_nuts.jpg","attrs":{"Model Number":"GB\/T6171","Minimum Order Quantity":"1","Payment Terms":"T\/T, Western Union, MoneyGram,PayPal","Delivery Time":"5-8 work days"}}
{"title":"Hollow Full Thread External Joint 304 316 SS \/ Zinc Plated CS NPT\/G\/Metric","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/a5\/6d\/8a9a8fffbcee349988f2ad9d3f18-200x200-1\/hollow_full_thread_external_joint_304_316_ss_2f_zinc_plated_cs_npt_2fg_2fmetric.jpg","attrs":{"Brand Name":"Kesle","Place of Origin":"CHINA","Minimum Order Quantity":"1","Payment Terms":"T\/T, Western Union, MoneyGram,PayPal"}}
{"title":"GB6178 Side Hexagon Slotted Nut For Lighting Fixtures \/ Furniture","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/94\/57\/4a4553d198d1398de9e26bafabdf-200x200-1\/gb6178_side_hexagon_slotted_nut_for_lighting_fixtures_2f_furniture.jpg","attrs":{"Brand Name":"Kesle","Model Number":"GB6178\uff08Customizable\uff09","Place of Origin":"CHINA","Minimum Order Quantity":"1"}}
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{"title":"Anti Loosening Internal Thread Round Nut For Shaft Axial Positioning GB DIN","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/ef\/98\/f13f57799597022441988768a284-200x200-1\/anti_loosening_internal_thread_round_nut_for_shaft_axial_positioning_gb_din_standard.jpg","attrs":{"Brand Name":"Kesle","Place of Origin":"CHINA","Minimum Order Quantity":"1","Payment Terms":"T\/T, Western Union, MoneyGram,PayPal"}}
{"title":"Anti Loosening Carbon Steel Slotted Round Nut For Shafts \/ Precision Machinery","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/ee\/cf\/c5eba1714a3a0cbf1d105c553b35-200x200-1\/anti_loosening_carbon_steel_slotted_round_nut_for_shafts_2f_precision_machinery.jpg","attrs":{"Brand Name":"Kesle","Place of Origin":"CHINA","Minimum Order Quantity":"1","Payment Terms":"T\/T, Western Union, MoneyGram,PayPal"}}
Product Name: GB6171 Type A Class 1 Hexagonal Nut Implementation Standard: GB/T 6171-2016 (current latest version) Specification Range: Thread size: M1.6~M16 (Class A precision is mainly applicable to thread diameters ≤16mm; larger diameters are generally Class B).
II. Structural and Precision Features
Structural Type: Type 1 hexagonal nut (standard hexagonal structure, no special grooves or through-hole designs). Key dimensions such as across flats width (s) and thickness (m) are strictly implemented in accordance with standards. Precision Grade: Class A represents high precision, with a thread tolerance of 6H. Dimensional tolerances for across flats width, thickness, etc., are smaller (superior to Class B), and the surface roughness is lower (usually Ra≤3.2μm), making it suitable for precision connection scenarios.
III. Materials and Performance
Material Selection: Materials are matched according to performance grades, usually including:
Carbon steel: such as 35# steel, 45# steel (suitable for performance grades 6, 8, etc.), subjected to quenched and tempered heat treatment;
Building steel structures (matching high-precision bolts).
VI. Quality Control
Dimensional inspection: Verify across flats width, thickness, and thread precision through 2D measuring instruments and thread go/no-go gauges (6H);
Performance testing: Check hardness with hardness testers and verify load with tensile testing machines;
Visual inspection: No cracks, burrs, or rust, and surface roughness meets Class A requirements.
GB6171 Type A nuts ensure interchangeability and reliability through standardized production, serving as common fasteners for high-precision threaded connections in the industrial field.
Introduction:
1.Covering an area of 80 mu (about 53,333 square meters), our factory has a 60-person team including 4 professional engineers, ensuring stable production and technical support.
2. Focusing on bearing production for 25 years, quality is our only guarantee
3. Wafangdian Bearing ...
Introduction:
1.Covering an area of 80 mu (about 53,333 square meters), our factory has a 60-person team including 4 professional engineers, ensuring stable production and technical support.
2. Focusing on bearing production for 25 years, quality is our only guarantee
3. Wafangdian Bearing ...
