Fastener Manufacturer in China

Supplier of Nut Bolt in Zhejiang , With MTC EN 10204 3.1/3.2

Table of Content

Specification Of Fastener
Types of Fastener
Size Chart Of Bolt And Nut
Screw Sizes Chart
Bolt And Nut Thread Profiles
Head Style Of Fasteners
Nut And Bolt Manufacturing Process
Types Of Coating Used For Bolt And Nut
What Things Should Be Considered Before Choosing The right fasteners?
What Sizes of Fastener Does Yaye Industrial offer?

Specification Of Fastener

Heavy Duty fasteners Imperial Sizes

Bolts - ¼" to 4"
Washer - 1/4″ To 1-3/4″
Screws - 1/8″ – 3″
Nuts - 5/8″ To 3 1/4″

Steel Fasteners Metric Sizes

Bolts - M10 To M150
Nuts - M10 To M150
Washer - M2 To M100
Screws - M1.6 up to M150

Threaded Fasteners Standards

ASME, DIN
SAE, ASTM

Cold Forged Fasteners Surface Finish

Oxidation, DACROMET
Electric galvanized
Zinc, Yellow Zinc

Marine Fasteners Features

Higher Strength
Resistant To Corrosion
Low Maintainance

Hex Bolts Testing Methods

Tensile Test
Ultrasonic test
PHydrostatic Test
Hardness test

Certificates of Threaded Rod

Third Party Inspection
MTC BS EN 10204 3.1/ 3.2
100% Radiography Test
NACE MR0175

Stud Bolt Neck Type

Triangular
Oval
Hex, Square
Knurled

Automotive Fasteners Advantages

Superior Weldability
Easy Fabrication
Durable

Threaded Fasteners Head Type

Hex flange
Round,Flat
Hex, Square
T-head & Triangular

U Bolts Manufacturing Process

Hot Forging
Cold Forging
Machining and CNC

Large Fasteners Threads

BSW
BSF, UNC
METRIC
UNF

Heavy Hex Bolts Origin

China
Indian
European
Qatar

Disadvantages of Heavy Duty Fasteners

Loosening
Slow Installation
Corrosion Concerns

Types of Fastener

Fastener Supplier in China Provide Wide Ranges Of fasteners types to satisfy customer needs

Self Tapping Screw

heavy hex bolts

Foundation Bolts

Lag Bolts

U Bolts

Elevator Bolts

Shoulder Bolts

J Bolts

Hanger Bolts

Eye Bolts

Machine Bolts

Carriage Bolts

Check Industrial Fasteners Size Chart, Also Refer Steel Fasteners Thread Types & Manufacturing Process

Size Chart Of Bolt And Nut

NPS	OD	30 Sch	20 Sch	60 Sch	40 Sch	10 Sch	140 Sch	EXT Hvy	80 Sch	100 Sch	STD Wall	160 Sch	120 Sch	XX Hvy
¾	1.05	...	...	...	0.113	0.083	...	0.154	0.154	...	0.113	0.219	...	0.308
12	12.75	0.33	0.25	0.562	0.406	0.18	1.125	0.5	0.688	0.844	0.375	1.312	1	1
5	5.563	-	-	-	0.258	0.134	-	0.375	0.375	-	0.258	0.625	0.5	0.75
2 ½	2.875	...	...	...	0.203	0.12	...	0.276	0.276	...	0.203	0.375	...	0.552
1 ¼	1.66	...	...	...	0.14	0.109	...	0.191	0.191	...	0.14	0.25	...	0.382
3	3.5	-	-	-	0.216	0.12	-	0.3	0.3	-	0.216	0.438	-	0.6
16	16	0.375	0.312	0.656	0.5	0.25	1.438	0.5	0.844	1.031	0.375	1.594	1.219	-
1 ½	1.9	...	...	...	0.145	0.109	...	0.2	0.2	...	0.145	0.281	...	0.4
3 ½	4	-	-	-	0.226	0.12	-	0.318	0.318	-	0.226	-	-	0.636
6	6.625	-	-	-	0.28	0.134	-	0.432	0.432	-	0.28	0.719	0.562	0.864
8	8.625	0.277	0.25	0.406	0.322	0.148	0.812	0.5	0.5	0.594	0.322	0.906	0.719	0.875
26	26	-	-	-	-	-	-	0.5	-	-	0.375	-	-	-
2	2.375	...	...	...	0.154	0.109	...	0.218	0.218	...	0.154	0.344	...	0.436
4	4.5	-	-	-	0.237	0.12	-	0.337	0.337	-	0.237	0.531	0.438	0.674
1	1.315	...	...	...	0.133	0.109	...	0.179	0.179	...	0.133	0.25	...	0.358
½	0.84	...	...	...	0.109	0.083	...	0.147	0.147	...	0.109	0.188	...	0.294
22	22	-	-	-	-	0.25	-	0.5	-	-	0.375	-	-	-
30	30	0.625	0.5	-	-	0.312	-	0.5	-	-	0.375	-	-	-
18	18	0.438	0.312	0.75	0.562	0.25	1.562	0.5	0.938	1.156	0.375	1.781	1.375	-
10	10.75	0.307	0.25	0.5	0.365	0.165	1	0.5	0.594	0.719	0.365	1.125	0.844	1
20	20	0.5	0.375	0.812	0.594	0.25	1.75	0.5	1.031	1.281	0.375	1.969	1.5	-
14	14	0.375	0.312	0.594	0.438	0.25	1.25	0.5	0.75	0.938	0.375	1.406	1.094	-
24	24	0.562	0.375	0.969	0.688	0.25	2.062	0.5	1.219	1.531	0.375	2.344	1.812	-

Screw Sizes Chart

Fastener manufacturer in China Offers Extensive Range Of Size OF Fsstener

Screw Size		Metric Equivalent	Nearest Fraction
#4	0.112 in.	2.84 mm	7/64"
#8	0.164 in.	4.17 mm	5/32"
#2	0.086 in.	2.18 mm	3/32"
#3	0.099 in.	2.51 mm	7/64"
#0	0.060 in.	1.52 mm	1/16"
#1	0.073 in.	1.85 mm	5/64"
#10	0.190 in.	4.83 mm	3/16"
#5	0.125 in.	3.18 mm	1/8"
#6	0.138 in.	3.51 mm	9/64"
#12	0.216 in.	5.49 mm	7/32"
#14	0.250 in.	6.35 mm	1/4"

Bolt And Nut Thread Profiles

Head Style Of Fasteners

Flat, Pan Head
Hex, Oval
Round, Truss
Socket Cap, Button Head

Nut And Bolt Manufacturing Process

Manufacturing Process

Process	Description
Wire	straightened and cut to length.
Cold forging	Molding steel to right shape
Bolt head	formed by forcing the steel at high pressure into dies
Quality Control	To check the Quality
Threading	Threads formed by cutting/ rolling
Surface treatment	depends on the application.
Heat treatment	bolt exposed to extreme heat for hardening

Types Of Coating Used For Bolt And Nut

Fastener Manufacturer In China Provides Multiple types Of Coatings To fastenrs For protection Against corrosion

Coating Types
Electro galvanised
Stainless Steel
Greay Phosphates
Ceramic Coated
Clear And Yellow Zinc
Brass, Bronze, Chrome Plated

What Things Should Be Considered Before Choosing The right fasteners?

Material
Installation
Cost Of Fasteners
Applications

What Sizes of Fastener Does Yaye Industrial offer?

Bolts - ¼" to 4"
Washer - 1/4″ To 1-3/4″
Screws - 1/8″ – 3″
Nuts - 5/8″ To 3 1/4″