GB-T 5785 Hexagon Head Bolts-Fine Pitch Thread
Product: GB-T 5785 Hexagon Head Bolts-Fine Pitch Thread
Property Class:4.6,4.8,5.6,5.8,8.8,10.9,12.9,
A2-70, A4-70,A4-80
Finish:Zinc Plating（Yellow Zinc, Zinc Blue, Rinse Color), Black, Phosphate & Oil, Zinc Phosphate, Hot-dip Galvanized(HDG),Dacromet, Geomet
Material:Steel,Stainless
Export country: USA, Japan, Australia, Europe and so on
Support customer customization
GB/T 5785 fine-thread hexagon head bolts are bolts with specific specifications. The GB/T 5785 standard specifies the dimensions, mechanical properties and other related requirements of fine-thread hexagon head bolts. Fine thread means that the thread spacing of the bolt is smaller, which helps to increase the contact area between the bolt and the nut and improve the tightness and reliability of the connection.
Pictures
Product drawing
Product Specification
Size | M8 | M10 | M12 | M14 | M16 | M18 | M20 | M22 | M24 | M27 | M30 | M33 | M36 | M39 | M42 | M45 | M48 | M52 | M56 | M60 | M64 | |
P | 1.0 | 1.0 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 2.0 | 2.0 | 2.0 | 2.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 4.0 | 4.0 | 4.0 | 4.0 | |
da max | 9.2 | 11.2 | 13.7 | 15.7 | 17.7 | 20.2 | 22.4 | 24.4 | 26.4 | 30.4 | 33.4 | 36.4 | 39.4 | 42.4 | 45.6 | 48.6 | 52.6 | 56.6 | 63.0 | 67.0 | 71.0 | |
ds | max | 8.0 | 10.0 | 12.0 | 14.0 | 16.0 | 18.0 | 20.0 | 22.0 | 24.0 | 27.0 | 30.0 | 33.0 | 36.0 | 39.0 | 42.0 | 45.0 | 48.0 | 52.0 | 56.0 | 60.0 | 64.0 |
min | 7.78 | 9.78 | 11.73 | 13.73 | 15.73 | 17.73 | 19.67 | 21.67 | 23.67 | 26.48 | 29.48 | 32.38 | 35.38 | 38.38 | 41.38 | 44.38 | 47.38 | 51.26 | 55.26 | 59.26 | 63.26 | |
e min | 14.38 | 17.77 | 20.03 | 23.36 | 26.75 | 30.14 | 33.53 | 37.72 | 39.98 | 45.2 | 50.85 | 55.37 | 60.79 | 66.44 | 71.3 | 76.95 | 82.6 | 88.25 | 93.56 | 99.21 | 104.86 | |
k | max | 5.45 | 6.58 | 7.68 | 8.98 | 10.18 | 11.715 | 12.715 | 14.215 | 15.215 | 17.35 | 19.12 | 21.42 | 22.92 | 25.42 | 26.42 | 28.42 | 30.42 | 33.5 | 35.5 | 38.5 | 40.5 |
min | 5.15 | 6.22 | 7.32 | 8.62 | 9.82 | 11.285 | 12.285 | 13.785 | 14.785 | 16.65 | 18.28 | 20.58 | 22.08 | 24.58 | 25.58 | 27.58 | 29.58 | 32.5 | 34.5 | 37.5 | 39.5 | |
r min | 0.4 | 0.4 | 0.6 | 0.6 | 0.6 | 0.6 | 0.8 | 0.8 | 0.8 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.2 | 1.2 | 1.6 | 1.6 | 2.0 | 2.0 | 2.0 | |
s | max | 13.0 | 16.0 | 18.0 | 21.0 | 24.0 | 27.0 | 30.0 | 34.0 | 36.0 | 41.0 | 46.0 | 50.0 | 55.0 | 60.0 | 65.0 | 70.0 | 75.0 | 80.0 | 85.0 | 90.0 | 95.0 |
min | 12.73 | 15.73 | 17.73 | 20.67 | 23.67 | 26.67 | 29.67 | 33.38 | 35.38 | 40.0 | 45.0 | 49.0 | 53.8 | 58.8 | 63.1 | 68.1 | 73.1 | 78.1 | 82.8 | 87.8 | 92.8 | |
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Some introduction about our company
Application
Workshop
Certification
Through scientific management, Jinan Star Fastener Co., Ltd. has obtained the 2015 version of ISO9001 quality management system certification. In 2018, the company passed the European CE certification.
Packing
Product Features
Exquisite workmanship: Manufactured with advanced production technologies, the product features fine finishing, smooth burr-free surfaces and regular structures. Its precision errors are strictly controlled within the scope of industry standards.
