Taste (nut/nut/bolt), please collect it!

Standards commonly used in threads

GB27 hexagonal hinge pores for bolt

GB70 Inner Hexagon Garden String screw

GB798 live bolt (crude)

GB799 ground foot bolt (crude)

GB897, GB898, GB899, GB900 double -headed

GB901 equal long double -headed snail GB953 and other long double -headed threads (rough)

GB5780 hexagonal bolt -C level

GB5781 hexagonal bolt -full thread -C level

GB5782 hexagonal bolt -A, B level

GB5783 hexagonal bolt -full thread -A, B level

GB5784 hexagonal bolt -fine rod -level B -level

GB5785 hexagonal bolt -A, B level

GB5786 hexagonal bolt -fine teeth -full thread -A, B level

GB5787 hexagonal flange bolt -level B level

GB5788 hexagonal flange bolt -fine pole -level B -level

GB5789 hexagonal flange bolt -increase series -level B level

GB5790 hexagonal flange bolt -increase series -fine rod -level B level

GB1228 large hexagonal head bolt (high strength for steel structure)

Outside the bolt niles, outside the bid

HG20613 Steel Management Flange Standard (American System) Standard (American System)

HG20634 Steel Management Flange Standard (European System) Standard (European System)

SHJ404-88 Pipe Flat Fascinoma (Sinopec Company)

HGJ75-91 Standard (bolt, nut, nut)

HGJ524-91/A1-1 Standard (Public Management, U-shaped bolt)

HGJ524-91/A1-2 Standard (British pipe, U-shaped bolt)

HGJ524-91/A2-1 Standard of the Ministry of Chemistry Industry (Public pipeline, corner steel U-shaped bolts)

HGJ524-91/A5-1 Standard of the Ministry of Chemistry Industry (Public pipeline, the benchmark double-headed bolt tide clip)

HGJ524-91/A7-1 Standards for the Ministry of Chemical Industry (for the insulation pipe, three bolt pipe clamps)

HGJ524-91/A8-1 Standard of the Ministry of Chemical Industry (for use of branches, three bolt tube clamps)

HGJ524-91/A9-1 Standards for the Ministry of Chemical Industry (Public pipes, double-row embossed tubes)

HGJ524-91/A10-1 Standards of the Ministry of Chemistry Industry (Public pipes, four-bolt tubes)

Hgj524-91/A12-1 Chemistry Industry Department Standard (use cold pipe, tube card)

HGJ524-91/A13-1 Standards for the Ministry of Chemistry Industry (for cold pipes, dual-bolt tubes)

HGJ524-91/A14-1 Standards of the Ministry of Chemistry Industry (used for cold pipes, four-bolt tubes)

HGJ524-91/A16-1 Standards for the Ministry of Chemical Industry (suspension bang)

HGJ524-91/A19 Department of Chemistry Industry (U-shaped hanging ear)

GD0531 Standard (double -headed snail)

GD0532 Ministry of Water Conservancy and Electric Power (hexagonal bolt)

H15 Chemical Machinery Department Standard (double -headed bolts)

H16 Department of Chemical and Machinery Department Standards (equivalent double -headed snails)

JB1164-73 Machinery Department Standard (long double-headed thread for pressure vessels)

JB9-59 Machinery Department Standard (Light Double-headed Nail)

JB2773 Machinery Department Standard (PG160-320kg/CM2 double-headed snail)

JB2774 Machinery Department Standard (PG160-320kg/CM2-end double-headed snail)

JB4707 Machinery Department Standard (equivalent double -headed snail)

SY10-76 Shanghai pressure vessel factory standard (step-end double-headed snail)

SY11-76 Shanghai pressure vessel factory standard (double-headed snail)

871G1-4 Nanhua Group Design Institute Standard (Anchor Bolt Size M16-M36)

871G1-5 Nanhua Group Design Institute Standard (Anchor Bolt Size M39-M100)

DIN931-70 German standard (hexagonal bolt)

DIN2510/3-74 German Standard (Twitch-L, K, KU, Z double-headed thread)

DIN2510/4-74 German standards (twist-G, P, Q, RS double-headed threads)

ASNI/ Asmeb18.2.1 US Standard (hexagonal bolt, nut) nuts national standard

GB41 Ⅰ hexagonal nut -C -level

GB6170 Type I Hexagonal Nide -A, B Class

GB6171 Type Ⅰ hexagonal nut -fine teeth -A, B -level

GB6172 hexagonal thin nut -A, B -Class -Folding angle

GB6173 hexagonal thin nut -fine teeth -A, B level

GB6174 hexagonal thin nut -level B -no backward angle

GB6175 Type II hexagonal nut -A, B Class

GB6176 Type II hexagonal nut -fine teeth -A, B level

GB6177 hexagonal flange noodles -level

GB56 hexagonal thick nut

GB1229 Great hexagonal nut (high strength for steel structure)

Naruto bidding enterprise standard foreign standards

HG20613-97 Steel pipe Flat fastener (American system) (American system)

HG20634-97 Steel pipe flange fastener (European system) (European system)

SHJ404-88 Sinopec Corporation Standard (pitching fastener)

HGJ75-91 Standard (Narut)

GD0534 Ministry of Water Conservancy and Electric Power (thick hexagonal nut)

GD0535 Ministry of Water Conservancy and Electric Power (hexagonal nut)

H17-67 Standard (Narut)

JB2770-79 Machinery Department Standard (PG160-320kg/CM2 joint nut)

JB2775-79 Machinery Department Standard (PG160-320kg/CM2 nut)

JB2954-81 Machinery Department Standard (Technical Conditions for Steaming Machine Cover Step)

SY15-76 Shanghai pressure vessel factory standard (high-pressure hexagonal nut)

DIN2510/5-74 German standard (nut)

DIN2510/6-74 German standard (long nut)

紧固件标准大全(螺柱/螺母/螺栓),请收好!

Asme/asnib18.2.2 US standard (nut)

Commonly used fastener material specifications

GB699 Carbon Structural Steel Technical Conditions

GB700 high -quality carbon structure steel technical condition

GB1220 stainless steel material technical condition

GB1221 stainless steel material technical condition

GB3077 alloy structure steel technical condition

ASTM.A193/A194M-96A American Test and Materials Society Standards (standard specifications for high temperature alloy steel and stainless steel bolt materials)

ASTM.A194-96A American Test and Materials Society Standards (standard specifications for carbon steel and alloy steel nuts with high temperature, high-pressure bolts)

ASTM.A320/A320M-92 American Test and Materials Society Standards (Technical Conditions for Low Temperature Alloy Steel Bolt Materials)

ASTM.A307-93A American Test and Materials Society Standard (σb is 414MPA carbon steel bolts and double-headed snail technical conditions)

ASTM A325-93A American Test and Materials Society Standard (σb ≥ 827MPA/724MPA thermal treatment structure steel bolt technical conditions)

ASTM A354-93 American Test and Materials Society Standards (technical conditions for quenching and recovered alloy steel bolts, double-headed bolts and other thread fasteners)

ASTM A563/A563M-84 American Test and Materials Society Standard (carbon steel and alloy steel nuts technical conditions)

Q/Bu.J.1517-95 (Standard for the Second Research and Design Institute of Nuclear Industry) The screw fastener and valve stem technical conditions for the screw fastener and valve sink for the technical conditions for the technical conditions of the primary power plant 2.3

Q/Bu.J.1518-95 (Standard for the Second Research and Design Institute of Nuclear Industry) The technical condition for bocs for nuts in the 2.3 equipment in the water pile nuclear power plant

MSH3-92 (Standard for Shanghai Nuclear Engineering Research Institute) Nuclear Safety 2.3 Level 2.3 Equipment Bolt Fascine 42CRMO CRMOV Forging Rod Technical Conditions

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Product Recommendation: b18 2.2 hex nut