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{"title":"304 316 316L Stainless Steel Heavy Hex Nut With Thickened Heavy Type Structure","imgUrl":"https:\/\/img.chinax.com\/nimg\/ed\/89\/3b413761ff142bae47f59f95a4d4-200x200-1\/304_316_316l_stainless_steel_heavy_hex_nut_with_thickened_heavy_type_structure.jpg","attrs":{"Place of Origin":"FOSHAN","Thread options":"Metric coarse\/fine thread, UNC coarse thread, UN-8 constant-pitch thread","Nut height":"Increased","Thread precision":"Precision-machined"}}
{"title":"Stainless Steel Hex Head Bolts With Full And Half Thread Corrosion Resistant","imgUrl":"https:\/\/img.chinax.com\/nimg\/f2\/ed\/8a5b28ae994624dd5e5fe83518dd-200x200-1\/stainless_steel_hex_head_bolts_with_full_and_half_thread_corrosion_resistant_fasteners_for_machinery_and_construction.jpg","attrs":{"Place of Origin":"HEBEI","Head type":"Hex head","Grade marking":"Printed on head","Thread quality":"Precision-rolled"}}
{"title":"Stainless Steel Carriage Bolts With Square Neck And Round Head Corrosion","imgUrl":"https:\/\/img.chinax.com\/nimg\/7c\/5f\/74ebd4b7496d8260bacc8901bc30-200x200-1\/stainless_steel_carriage_bolts_with_square_neck_and_round_head_corrosion_resistant_fasteners_with_precision_rolled_threads.jpg","attrs":{"Head type":"Round head","Place of Origin":"HEBEI","Finish":"Natural polished","Edge safety":"No sharp edges"}}
{"title":"Stainless Steel Hex Flange Bolts with Integrated Flange Washer, Corrosion","imgUrl":"https:\/\/img.chinax.com\/nimg\/12\/63\/3f33d1f7ea228f87e86fc8079370-200x200-1\/stainless_steel_hex_flange_bolts_with_integrated_flange_washer_2c_corrosion_resistant_and_precision_rolled_threads.jpg","attrs":{"Place of Origin":"HEBEI","Thread type":"Precision-rolled threads","Surface finish":"Natural polished surface","Strength grade":"Marked on head"}}
{"title":"Stainless Steel T Slot Bolts With Precision Rolled Threads And Corrosion","imgUrl":"https:\/\/img.chinax.com\/nimg\/c0\/74\/0c28a105dd2688c9c3cdb8c285b9-200x200-1\/stainless_steel_t_slot_bolts_with_precision_rolled_threads_and_corrosion_resistant_t_head_fastener_for_aluminum_profiles.jpg","attrs":{"Place of Origin":"HEBEI","Head type":"T-head","Surface finish":"Natural polished","Custom options":"Non-standard head dimension and length"}}
{"title":"GB35 Square Head Bolt With Coarse Metric Thread In 304(A2-70) And 316(A4-80)","imgUrl":"https:\/\/img.chinax.com\/nimg\/89\/08\/a18847f408fe93a46c772b3919c2-200x200-1\/gb35_square_head_bolt_with_coarse_metric_thread_in_304_28a2_70_29_and_316_28a4_80_29_stainless_steel.jpg","attrs":{"Thread Type":"Coarse Metric Thread","Place of Origin":"FOSHAN","Surface Finish":"Natural Stainless Steel, No Plating","Standard":"GB35 Square Head Bolt"}}
{"title":"304 Stainless Steel J Type Anchor Bolt With M16 - M30 Thread Size And 300 -","imgUrl":"https:\/\/img.chinax.com\/nimg\/3d\/55\/fb9e7fe89699874d947fd7868a34-200x200-1\/304_stainless_steel_j_type_anchor_bolt_with_m16_m30_thread_size_and_300_500mm_length_for_concrete_embedment.jpg","attrs":{"Place of Origin":"FOSHAN","Thread Size":"M16-M30","Hook Type":"J-shaped","Thread Type":"Precision-rolled"}}
Stainless Steel Heavy Hex Nuts | HG/T20634, UNI5587, ANSI B18.2.2 Nut for Pipe Flange Connection
Heavy-duty thickened hex nuts specifically engineered for pipe flange and chemical equipment assembly. This comprehensive product line includes HG/T20634 chemical nuts, UNI5587 heavy hex nuts, and ANSI B18.2.2 single-chamfer and double-chamfer heavy nuts. These specialized nuts are designed to pair with flange bolts for high-pressure piping systems and pressure vessel applications.
Material & Specifications
Available in corrosion-resistant 304, 316, and 316L stainless steel. Multiple thread options include metric coarse/fine thread, UNC coarse thread, and UN-8 constant-pitch thread. Metric sizes range from M6 to M48, while imperial sizes cover 1/4" up to 3". The increased nut height design provides enhanced loading capacity and uniform stress distribution, ensuring reliable clamping performance under high-pressure and vibration conditions.
Standard Specifications
HG/T20634: Dedicated for domestic chemical pipe flanges (M12-M48) UNI5587: European specification thick hex nuts (M6-M30 coarse thread) ANSI B18.2.2: Double-chamfer nuts (1/4"-7/8") and single-chamfer type (1/2"-3") with UNC and UN-8 thread options
Key Features
Multi-standard heavy-flange nut series covering Chinese chemical, European, and American standards
Thickened heavy-type structure optimized for high-pressure, anti-vibration flange connections
304/316/316L stainless steel construction for corrosive industrial environments
Complete metric & imperial sizing with multiple thread forms for diverse flange bolt compatibility
Precision-machined threads ensure smooth engagement and resist thread stripping
Sample testing and large-volume bulk supply available
Complete matching fastener solutions including corresponding flange bolts and washers
Applications: Chemical pipe flanges, pressure vessels, petrochemical facilities, water-treatment plants, oil-gas pipelines, and high-pressure industrial flange assembly.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Trading Company
Year Established:
2012
Total Annual:
5000000-10000000
Employee Number:
50~150
Ecer Certification：
Verified Supplier
Company Profile
Established in 2012, we are a professional foreign trade enterprise specializing in construction & decorative materials with over ten years of industry experience.
We have a 20-person international sales team, plus a dedicated technical & QC team of more than 10 sta...
Company Profile
Established in 2012, we are a professional foreign trade enterprise specializing in construction & decorative materials with over ten years of industry experience.
We have a 20-person international sales team, plus a dedicated technical & QC team of more than 10 sta...
