Low CS Bolts And Nuts at Factory Price

Check 4.6 Grade Threaded Rod and Stud Bolts Specification

Carbon Steel Fasteners

Carbon Steel Fasteners

Carbon Steel Bolts and Nuts

Carbon Steel Bolts and Nuts

CS 4.6 Grade Fasteners

CS 4.6 Grade Fasteners

Table of Content

Material Specification Chart of Low Carbon Steel Fasteners

Fasteners Material Specification ASTM / ASME A/SA 193 / 194
Standard DIN, UNI, ISO, JIS, GB, IS, BS, ASME, ANSI, ASTM and all International Standards
Fasteners/ Bolts Size M2, M2.5, M3, M4, M5, M6, M8, M10, M12, M14, M16, M20, M24, M30, M36 to M160
Length 3 mm to 200 mm
Bolts, Studs Threads: METRIC, BSW, BSF, UNC, UNF or as required
Fasteners Standard: ANSI – American National Standards Institute  
  • ANSI B 18.2.4 2M
  • ANSI B 28.2.4 1M
  • Stud Bolt length are defined in ASME B16.5 standard
  • Hex nuts are defined in ASME B18.2.2
  • ASME B18.5

DIN: DIN 931, DIN 933, DIN 934, DIN 970

UTS – Unified Thread Standard : UNC, UNF, UNEF, UNS, NPT, NPTF

ISO – International Organization for Standardization : ISO 4032, ISO 4033, JIS standards
SCOPE
  • Hot Forged Fasteners, Nut / Bolt; up to M36 / 1-1/2” Dia, up to 1100mm lg
  • CNC Machined Fasteners, Nut / Bolt; up to M100 / 4” Dia, up to 1500mm lg
Fasteners In Form of: Hex, Square, Round, Threading as per Gauge Etc.
Head drive: Phillips, Slotted, Phillips/Slot, Six-Lobe, etc
bolting Test Certificate: Test Certificate as per EN 10204 / 3.1
Fasteners finishing: Zinc (yellow, white, blue, black), black oxide,
Geometry, Dacroment, anodizing, nickel plated, plated zinc-nickel, Stainless steel: Passivated
Self-Colour, Hot Dip Galvanised (HDG), Bright Zinc Plated (BZP), Sherardized, Stainless Steel, Mechanically Applied coating and some special one like DACROMET
Production process M2-M24: Cold Froging, hot forging M24-M100, machining and CNC for Customized connecting element
bolting materials Surface Coating:
  • Teflon Coated Fasteners
  • Phosphate Coated Fasteners
  • Zinc Coated Fasteners
  • Ptfe Coated Fasteners
  • Xylon Coated Fasteners
  • Cadmium Coated Fasteners
  • Hot Dipped Galvanizing Coated Fasteners

All surface finishes offered including Geomet & PTFE, Galvanised, Zinc, Electroless Nickel, Sherardized, Dacromet
Popular Types of Bolts Hex Bolts, Flange Bolts, Hex Head Bolts, Lag Bolts, Square Bolts, Eye Bolts, U Bolts, T Bolts, Counter sunk Bolts etc.
Popular Types of Nut Hex Head Nut, Eye Nut, Dome Nut, Wing Nut, T Nut, Panel Nut, Lock Nut, Coupling Nut, Square Nut, Acorn Nut etc.
Popular Types of Screw Hex Head Cap Screws, Socket Set Screws, Anchor Screws, Blind Rivet, Socket Head Screws, Concrete Screws, Shoulder Screws, Panel Screws, Threaded Screws, Machine Screws etc.
Popular Types of Washer Machine Washers, Flat Washer, Star Washers, Sealing Washer, Lock Washer, Split Washer etc.
Fasteners Packing: IN BULK: canton, pallet, Small Boxs / carton / pallet, or customer request

Weight Chart of Carbon Steel Nuts

Size in Inches Finished Hex Heavy Hex Finished Jam Heavy Hex Jam Square Heavy Square
1/2 3.75 6.54 2.62 4.00 5.78 7.87
5/8 7.33 11.9 4.93 6.96 10.8 14.3
3/4 11.9 19.3 7.70 11.0 15.4 23.5
7/8 19.0 29.7 12.0 16.7 24.5 36.2
1 28.3 42.5 17.6 23.5 36.3 51.5
11/8 40.3 59.2 24.7 32.4 52.5 72.4
11/4 54.3 78.6 36.1 45.8 70.6 95.5
13/8 73.0 102 47.9 59.3 94.5 125.0
11/2 94.3 131 60.9 74.8 122 161
15/8 162 91.6
13/4 151 204 100 114
17/8 241 134
2 224 299 140 165
21/4 419 227
21/2 564 332
23/4 738 429
3 950 545
31/4 1194 651
31/2 1526 851
33/4 1812 1005
4 2180 1200

Common types of Carbon Steel Bolts And Nuts

grade 8 steel fasteners

grade 8 Carbon steel fasteners

grade a325 threaded rod

Carbon Steel grade a325 threaded rod

Carbon steel carriage bolt washer

Carbon steel carriage bolt washer

Carbon steel washers

Carbon steel washers

Carbon steel flange hex bolt

Carbon steel flange hex bolt

8.8 Grade Bolt M12 ,Carbon Steel Eye bolt

8.8 Grade Bolt M12 ,Carbon Steel Eye bolt

DIN3570 carbon steel u bolt

DIN3570 carbon steel u bolt

Carbon Steel Hot Dip Galvanized Hex Bolt With Nut And Washer DIN933

Carbon Steel Hot Dip Galvanized Hex Bolt With Nut And Washer DIN933

307a bolt DIN933/911 Carbon Steel Nut and Bolt

307a bolt DIN933/911 Carbon Steel Nut and Bolt

Material M25 Carbon Steel Hex Nut

Material M25 Carbon Steel Hex Nut

grade 8.8 bolt and nut screw washer DIN931

Carbon Steel grade 8.8 bolt and nut screw washer DIN931

DIN125 DIN127 Carbon Steel Flat Washer/ Spring Washer Gr4.8 8.8

DIN125 DIN127 Carbon Steel Flat Washer/ Spring Washer Gr4.8 8.8

Grade 5 Washers Weight in MM

APPROX. WEIGHT IN KGS FOR 100 NOS
SIZE PLAIN PUNCHED WASHER
IS:2016		 HEAVY WASHER
IS:6610		 MACHINED WASHER
IS:2016		 SQUARE     TAPER     WASHERS SPRING WASHER FLAT SECTION IS:3063-72 SPRING WASHER SQUARE SECTION IS:6735-72
DIN : 7980		 Size (Inches) PLAIN PUNCHED WASHER
BS:3410 TABLE 7
MACHINED HIGH  STRENGTH
FRICTION  GRIP
FOR
CHANNELS IS:5372-75		 FOR
I-BEAM IS:5374-75		 TYPE-B
(CHANNELS) IS : 6649-85		 TYPE-C
( I-BEAMS ) IS : 6649-85
M-3 0.01 0.01
M-4 0.02 0.02
M-5 0.04 0.04 0.03 0.03
M-6 0.11 0.11 0.08 0.04 1/4″ 0.21
M-8 0.20 0.21 1.10 1.20 0.16 0.11 5/16″ 0.35
M-10 0.39 1.60 0.40 1.00 1.10 0.25 0.20 3/8″ 0.48
M-12 0.58 1.90 0.62 2.00 2.20 2.00 1.80 0.38 0.23 1/2″ 1.07
M-14 0.82 0.60 0.38
M-16 1.06 2.90 1.13 3.40 3.75 9.00 8.50 0.89 0.59 5/8″ 1.85
M-18 1.27 0.97 0.66
M-20 1.64 4.40 1.72 5.80 6.70 8.50 8.00 1.52 1.23 3/4″ 2.91
M-22 1.75 7.50 7.00 1.65 1.36 7/8″ 4.27
M-24 3.11 6.30 3.30 13.50 16.00 6.50 6.00 2.62 1.81 1″ 6.13
M-27 3.94 8.00 4.23 12.50 15.00 12.00 11.50 2.87 2.06 1.1/8″ 7.69
M-30 5.05 10.10 5.36 16.50 18.70 17.50 16.00 4.43 3.20 1.1/4″ 9.90
M-33 7.10 12.00 7.54 21.00 23.50 23.00 22.50 6.30 3.50
M-36 8.73 14.60 9.20 25.50 29.20 26.50 26.00 6.73 5.25 1.1/2″ 17.24
M-39 12.60 16.70 13.30 28.30 34.50 7.17 5.61
M-42 17.50 20.10 18.30 11.10 8.00
M-45 21.20 22.20 22.00 11.70 8.53
M-48 28.40 26.00 29.40 12.30 9.00 2″ 27.78
M-52 31.90 33.00 18.20
M-56 47.90 19.30
M-60 51.60 20.30
M-64 55.40 21.80
M-68 57.40
M-72 63.40 24.00

DIN Grade of ASTM A325 Grade 8.8 Fasteners

Hexagon Bolts / Set Screws Stud Bolts Hexagon Nuts Socket Cap screws
DIN 931 BS4882 DIN 934 DIN 912
DIN 933 DIN 976 BS 1768 DIN 6912
BS 1768 - BS 1769 DIN 7984
UNI 5731 - BS 1083 ANSI B18.3
UNI 5739 - BS 3692 ISO 4762
ISO 4014 - ISO 4032 UNI 5931
ISO 4017 - ISO 4033 BS 2470
BS 1769 - ANSI B18.2.2 BS 4168
BS 3692 - - -
ANSI B18.2.1 - - -
Socket & Slotted Set Screws Socket & Slotted Countersunk Screws Studs Washers
DIN 913 DIN 963 DIN 938 DIN 125
DIN 914 DIN 7991 DIN 939 DIN 9021
DIN 915 BS 4168 DIN 2510 BS 4320
DIN 916 BS 1981 BS 4439 BS 3410
DIN 551 BS 483 BS 2693 -
DIN 553 BS 2470 - Spring Washers
DIN 438 - - DIN 127
BS 4168 - - BS 4464
- - - BS 1802

Chemical Properties of 4.6 Grade CS Bolts

BS 970: 1955

Chemical Composition

C

%

Si

%

Mn

%

Ni

%

Cr/strong>

%

Mo

%

S

%

P

%

EN3B

0.25Max

0.35Max

1.0Max

–

–

–

0.06Max

0.06Max

EN1A

0.07/0.15

0.10Max.

0.80/1.20

–

–

–

0.20/0.30

0.07Max

EN8

0.35/0.45

0.05/0.35

0.60/1.00

–

–

–

0.06Max

0.06Max

EN9

0.50/0.60

0.05/0.35

0.50/0.80

–

–

–

0.06Max

0.06Max

EN16

0.30/0.40

0.10/0.35

1.30/1.80

–

–

0.20/0.35

0.05Max

0.05Max

EN19

0.35/0.45

0.10/0.35

0.50/0.80

–

0.90/1.50

0.20/0.40

0.05Max

0.05Max

EN24

0.35/0.45

0.10/0.35

0.45/0.70

1.30/1.80

0.90/1.40

0.20/0.35

0.05Max

0.05Max

BS 970 1991

BS 970 1955 EN

AISI/SAE

Werkstoff

070M20

EN3B

1020

1.0402

220M07

EN1A

1113

1.0711

230M07

EN1A

1213

1.0715

080M40

EN8

1040

1.1186

080A42

EN8D

1042

–

070M55

EN9

1055

1.0535

605M36

EN16

–

–

708M40

EN19

4140

1.7225

817M40

EN24

4340

1.6582

307A CS Fasteners Mechanical Properties Table

Grade

Material

Size Range

Tensile Strength MPa min.

Proof Strength MPa min.

Core Rockwell Hardness

Yield Strength MPa min.

Min.

Max.

4.6

Low or Medium Carbon Steel

M5 – M39

3/16” – 1-1/2”

400

225

B67

B99.5

240

8.8

Medium Carbon Steel Q+T

M5 – M16

3/16” – 5/8”

M18 – M39

11/16” – 1-1/2”

800

830

580

600

C22

C23

C32

C34

640

660

10.9

Alloy Steel Q+T

M5 – M39

3/16” – 1-1/2”

1040

830

C32

C39

940

12.9

Alloy Steel Q+T

M1.6 – M39

#0 – 1-1/2”

1220

970

C39

C44

1100

Equivalent Grades of Medium Carbon Steel Screws

High Temperature Bolting Steels

Grade

Name

Werkstoff Number

ASTM

BS

Temperature Use

Durehete 900 T22

42CrMo5.6

1.7233

–

BS1506 631-850

Up to 480ºC

Durehete 950 T31

40CrMoV4.6

1.7711

ASTM A193 B16

BS1506 671-850

Up to 510ºC

Durehete 1055

T41

20CrMoVTiB4.10

1.7729

–

BS1506 681-820

Up to 570ºC

25CrMo4

–

1.7218

–

–

Up to 400ºC

21CrMoV5.7

–

1.7709

–

–

Up to 540ºC

42CrMo4

–

1.7225

ASTM A193 B7

BS1506 630-860

Up to 450ºC

Grades of Grade 5 CS Stud Bolt

US Bolts
  Grade and
Material		 Nominal Size Range
(inches)		 Mechanical Properties
Proof Load
(psi)		 Min. Yield Strength
(psi)		 Min. Tensile Strength
(psi)
 

307A

Low carbon steel		 1/4" thru 4" N/A N/A 60,000
 

Grade 2

Low or medium carbon steel		 1/4" thru 3/4" 55,000 57,000 74,000
Over 3/4" thru 1-1/2" 33,000 36,000 60,000
 

Grade 5

Medium carbon steel, quenched and tempered		 1/4" thru 1" 85,000 92,000 120,000
Over 1" thru 1-1/2" 74,000 81,000 105,000
 

Grade 8

Medium carbon alloy steel, quenched and tempered		 1/4" thru 1-1/2" 120,000 130,000 150,000
 

Grade A325

Carbon or alloy steel with or without boron		 1/2" thru 1-1/2" 85,000 92,000 120,000
 

18-8 & 316 Stainless

Steel alloy with chromium and nickel		 All sizes thru 1" N/A 20,000 Min. 65,000 Typical 65,000 Min. 100,000 – 150,000 Typical
 

651 Silicon bronze

An alloy of mostly copper and tin with a small amount of silicon		 1/4" thru 3/4" N/A 55,000 70,000
7/8" thru 1-1/2" N/A 40,000 55,000
 

Aluminum 2024

Aluminum alloy with copper, magnesium and manganese; solution heat treated and age hardened		 All sizes N/A 36,000 55,000

Metric Bolts
  Class and
Material		 Nominal Size Range
(mm)		 Mechanical Properties
Proof Load
(MPa)		 Min. Yield Strength
(MPa)		 Min. Tensile Strength
(MPa)
 

Class 8.8

Medium carbon steel, quenched and tempered		 All sizes below 16mm 580

640

800
16mm - 72mm 600 660 830
 

Class 10.9

Alloy steel, quenched and tempered		 5mm - 100mm 830

940

1040
 

Class 12.9

Alloy steel, quenched and tempered		 1.6mm - 100mm 970

1100

1220
 

A-2 & A-4 Stainless

Steel alloy with chromium and nickel		 All sizes thru 20mm N/A

210 Min.
450 Typical

500 Min.
700 Typical

Stockist of Medium Carbon Steel Screws, View Grade 307A Washer Material Sizes

307A CS Bolt Sizes

 Class 150 Flanges ASME B16.5 (Stud bolt sizes) Length of Stud Bolts 
NPS Outside Diameter of Flange The diameter of Bolt Circle The diameter of Bolt Holes Number of Bolts Diameter of Bolts Raised Face
0.06 in		 Ring Joint
1/2 3 1/2 2 3/8 5/8 4 1/2 2 1/4 –
3/4 3 7/8 2 3/4 5/8 4 1/2 2 1/2 –
1 4 1/4 3 1/8 5/8 4 1/2 2 1/2 3
1 1/4 4 5/8 3 1/2 5/8 4 1/2 2 3/4 3 1/4
1 1/2 5 3 7/8 5/8 4 1/2 2 3/4 3 1/4
2 6 4 3/4 3/4 4 5/8 3 1/4 3 3/4
2 1/2 7 5 1/2 3/4 4 5/8 3 1/2 4
3 7 1/2 6 3/4 4 5/8 3 1/2 4
3 1/2 8 1/2 7 3/4 8 5/8 3 1/2 4
4 9 7 1/2 3/4 8 5/8 3 1/2 4
5 10 8 1/2 7/8 8 3/4 3 3/4 4 1/4
6 11 9 1/2 7/8 8 3/4 4 4 1/2
8 13 1/2 11 3/4 7/8 8 3/4 4 1/4 4 3/4
10 16 14 3/4 1 12 7/8 4 1/2 5
12 19 17 1 12 7/8 4 3/4 5 1/4
14 21 18 3/4 1 1/8 12 1 5 1/4 5 3/4
16 23 1/2 21 1/4 1 1/8 16 1 5 1/4 5 3/4
18 25 22 3/4 1 1/4 16 1 1/8 5 3/4 6 1/4
20 27 1/2 25 1 1/4 20 1 1/8 6 1/4 6 3/4
24 32 29 1/2 1 1/4 20 1 1/4 6 3/4 7 1/4
Class 300 Flanges ASME B16.5 Length of Stud Bolts 
NPS Outside Diameter of Flange The diameter of Bolt Circle The diameter of Bolt Holes Number of Bolts Diameter of Bolts Raised Face
0.06 in		 Ring Joint
1/2 3 3/4 2 5/8 5/8 4 1/2 2 1/2 3
3/4 4 5/8 3 1/4 3/4 4 5/8 3 3 1/2
1 4 7/8 3 1/2 3/4 4 5/8 3 3 1/2
1 1/4 5 1/4 3 7/8 3/4 4 5/8 3 1/4 3 3/4
1 1/2 6 1/8 4 1/2 7/8 4 3/4 3 1/2 4
2 6 1/2 5 3/4 8 5/8 3 1/2 4
2 1/2 7 1/2 5 7/8 7/8 8 3/4 4 4 1/2
3 8 1/4 6 5/8 7/8 8 3/4 4 1/4 4 3/4
3 1/2 9 7 1/4 7/8 8 3/4 4 1/4 5
4 10 7 7/8 7/8 8 3/4 4 1/2 5
5 11 9 1/4 7/8 8 3/4 4 3/4 5 1/4
6 12 1/2 10 5/8 7/8 12 3/4 4 3/4 5 1/2
8 15 13 1 12 7/8 5 1/2 6
10 17 1/2 15 1/4 1 1/8 16 1 6 1/4 6 3/4
12 20 1/2 17 3/4 1 1/4 16 1 1/8 6 3/4 7 1/4
14 23 20 1/4 1 1/4 20 1 1/8 7 7 1/2
16 25 1/2 22 1/2 1 3/8 20 1 1/4 7 1/2 8
18 28 24 3/4 1 3/8 24 1 1/4 7 3/4 8 1/4
20 30 1/2 27 1 3/8 24 1 1/4 8 8 3/4
24 36 32 1 5/8 24 1 1/2 9 10

Grade 2 Fasteners Price

Carbon Steel Fasteners PricesASTM A325 Grade 8.8 Fasteners Price List
carbon steel boltPrice US$ 0.50-US$ 5.00 / Piece
carbon steel metric fasteners clamp u bolt with nut screw Price US$ 0.30-US$ 0.50 / Piece
Carbon Steel Zinc Plated U Bolts Price US$ 0.01-US$ 0.05 / Piece
Carbon Steel 12 point hex flange boltPrice US$ 0.06-US$ 0.80 / Piece
Din 912 Carbon Steel Pan Head Hex Socket Cap Screws and Fasteners Price US$ 0.01-US$ 0.99 / Piece
carbon steel screw eye bolt with wing nutPrice US$ 0.02-US$ 1.00 / Piece
Check Weight Chart & Composition of Class 8.8 Anchor Bolts & Hex Head Cap Screws

Grade A325 Bolts Weight in Kg

MM THREADS AS PER IS 1363/67
APPROXIMATE WEIGHT IN KGS FOR 100 NOS
LENGTH DIAMETER
M 5 M 6 M 8 M 10 M 12 M 14 M 16 M 18 M 20 M 22
M 5 M 6 M 8 M 10 M 12 M 14 M 16 M 18 M 20 M 22
16 0.448 0.743 1.590 3.211 - - - - - -
20 0.598 0.812 1.711 3.411 4.892 - - - - -
25 0.660 0.897 1.871 3.660 5.252 8.170 - - - -
30 0.737 1.010 2.070 3.912 5.574 9.690 10.707 - 18.657 -
35 0.804 1.120 2.271 4.223 5.974 10.000 11.416 16.026 19.608 -
40 0.881 1.230 2.470 4.533 6.410 10.288 12.107 16.667 20.747 -
45 0.958 1.340 2.671 4.840 6.859 10.504 12.821 17.241 21.739 -
50 1.030 1.450 2.870 5.155 7.299 11.261 13.624 17.857 22.727 28.409
55 - 1.560 3.071 5.464 7.740 11.628 14.409 18.868 23.810 30.120
60 - 1.670 3.270 5.774 8.183 12.255 15.244 20.000 25.126 32.051
65 - 1.781 3.472 6.083 8.621 12.626 16.026 21.008 26.455 34.014
70 - 1.890 3.671 6.394 9.058 12.987 16.835 22.124 27.778 35.461
75 - 2.000 3.873 6.702 9.506 13.228 17.606 23.256 29.070 39.063
80 - 2.111 4.072 7.013 10.000 13.889 18.248 24.510 30.303 40.000
90 - - 4.472 7.634 10.917 14.925 19.841 26.042 33.113 41.667
100 - - 4.873 8.251 11.820 16.340 21.459 27.778 35.714 46.296
110 - - - 8.881 12.723 17.730 23.041 31.250 38.168 47.170
120 - - - 9.506 13.624 18.797 24.631 32.895 40.984 50.000
130 - - - 10.101 14.535 20.000 26.316 34.722 43.478 52.632
140 - - - 10.707 15.432 20.833 27.933 35.461 46.296 55.556
150 - - - 11.312 16.340 22.222 29.412 37.594 48.544 58.824
160 - - - 11.905 17.241 24.272 31.056 40.984 50.505 61.728
170 - - - 12.500 18.116 - 32.680 - 53.191 64.935
180 - - - 13.123 19.011 26.882 34.247 - 55.556 67.568
190 - - - 13.736 19.920 - 35.971 - 58.140 70.423
200 - - - 14.327 20.833 29.586 37.594 49.020 60.976 73.529
220 - - - 15.528 22.624 - 40.650 - 65.789 79.365
240 - - - 16.722 24.510 - 43.860 - 71.429 84.746
250 - - - 17.301 25.381 - 45.455 - 74.627 87.719
260 - - - 17.921 26.316 - 47.170 - 76.923 90.909
280 - - - 19.157 28.090 - 50.505 - 81.967 98.039
300 - - - 20.325 29.940 - 53.763 - 87.719 104.167
320 - - - - 31.646 - 56.818 - 92.593 -
340 - - - - 33.557 - 60.241 - 98.039 -
360 - - - - 35.211 - 63.291 - 104.167 -
380 - - - - 37.037 - 66.667 - 108.696 -
400 - - - - 39.063 - 69.444 - 113.636
Importer of Grade A325 CS Hex Bolts, Check Grade 5 Hexagon Socket Head Cap Screw Dimension

Dimension Chart of Grade 8 Nut

Bolts Size Chart in Inches A (max) B C (min) D E F
Thread Length
for Bolts Length
max min 6" and
shorter		 over 6"
1/4 0.260 3/8 0.498 11/64 0.03 0.01 0.750 1.000
5/16 0.324 1/2 0.665 13/64 0.03 0.01 0.875 1.125
3/8 0.388 9/16 0.747 1/4 0.03 0.01 1.000 1.250
7/16 0.452 5/8 0.828 19/64 0.03 0.01 1.125 1.375
1/2 0.515 3/4 0.995 21/64 0.03 0.01 1.250 1.500
5/8 0.642 15/16 1.244 27/64 0.06 0.02 1.500 1.750
3/4 0.768 1-1/8 1.494 1/2 0.06 0.02 1.750 2.000
7/8 0.895 1-5/16 1.742 19/32 0.06 0.02 2.000 2.250
1 1.022 1-1/2 1.991 21/32 0.09 0.03 2.250 2.500
1-1/8 1.149 1-11/16 2.239 3/4 0.09 0.03 2.500 2.750
1-1/4 1.277 1-7/8 2.489 27/32 0.09 0.03 2.750 3.000
1-3/8 1.404 2-1/16 2.738 29/32 0.09 0.03 3.000 3.250
1-1/2 1.531 2-1/4 2.986 1 0.09 0.03 3.250 3.500

Types of Fasteners

Other Fasteners

Products

Dimension Standards

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