BULONG INOX 316 - 304
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BULONG INOX 316 - 304
IWISU CHUYÊN NHẬP KHẨU VÀ PHÂN PHỐI CÁC LOẠI BULONG INOX 304 VÀ INOX 316 TẠI THỊ TRƯỜNG VIỆT NAM
ĐẶC BIỆT CHÚNG TÔI CÓ CUNG CẤP CÁC SIZE CHO BULONG INOX 316 HỆ INCHES
- BULONG INOX 201, 304, 316 | BULONG IWISU|BULONG HỆ INCHES
Head Markings - Inch Standards
All bolt heads will be marked with a manufacturers stamp and the following grade markings:
- Grade 2No Grade Markings
- Grade 53 Radial Lines 120 degrees apart
- Grade 86 Radial Lines 60 degrees apart
Head Markings - Metric Standards
All bolt heads will be marked with a manufacturers stamp and the following grade markings:
The Property Class shall be marked as appropriate.
Property Classes: 4.6, 4.8, 5.8, 8.8, 9.8, 10.9
Finishes
Unless otherwise specified all Hex Cap Screw will be furnished plain (black - no finish)
Other finishes available include: Zinc Plating, Hot Dip Galvanized, Mechanical Galvanized, Black Oxide, PTFE (Xylan)
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etric Standards
SAE J1199 Mechanical and Material Requirements for Metric Externally Threaded Fasteners
ASME B18.2.3.1M Metric Hex Cap Screws - This Standard covers the complete general and dimensional data for metric series hex cap screws recognized as American National Standard.
DIN 931 Part Thread Hexagon Head Screws
DIN 933 Full Thread Hexagon Head Screws
ISO 4017 Full Thread Hexagon Head Screws
Head Markings - Inch Standards
All bolt heads will be marked with a manufacturers stamp and the following grade markings:
- Grade 2No Grade Markings
- Grade 53 Radial Lines 120 degrees apart
- Grade 86 Radial Lines 60 degrees apart
Head Markings - Metric Standards
All bolt heads will be marked with a manufacturers stamp and the following grade markings:
The Property Class shall be marked as appropriate.
Property Classes: 4.6, 4.8, 5.8, 8.8, 9.8, 10.9


Finishes
Unless otherwise specified all Hex Cap Screw will be furnished plain (black - no finish)
Other finishes available include: Zinc Plating, Hot Dip Galvanized, Mechanical Galvanized, Black Oxide, PTFE (Xylan)
Cap Screws Threaded Inch & Metric
Cap Screw Thread Inch & Metric
- Inch Size
Coarse(UNC)
Fine(UNF) - Decimal
Equivalent - Closest
Metric Size - Decimal
Conversion
- 1/4-20
- .250
- M6 X 1.0
- .236"
- 1/4-28
- .250
- M6 X .075
- .236
- 5/16-18
- .3125
- M8 X 1.25
- .315
- 5/16-24
- .3125
- M8 X 1.0
- .315
- 3/8-16
- .375
- M10 X 1.5
- .394
- 3/8-24
- .375
- M10 X 1.25
- .394
- 7/16-14
- .4375
- 7/16-20
- .4375
- 1/2-13
- .500
- M12 X 1.75
- .472
- 1/2-20
- .500
- M12 X 1.25
- .472
- 9/16-12
- .5625
- M14 X 2.0
- .551
- 9/16-18
- .5625
- M14 X 1.5
- .551
- 5/8-11
- .625
- M16 X 2.0
- .630
- 5/8-18
- .625
- M16 X 1.5
- .630
- 3/4-10
- .750
- M20 X 2.5
- .787
- 3/4-16
- .750
- M20 X 1.5
- .787
- 7/8-9
- .875
- M22 X 2.5
- .866
- 7/8-14
- .875
- M22 X 1.5
- .866
- 1-8
- 1.00
- M24 X 3.0
- .945
- 1-12
- 1.00
- M24 X 2.0
- .945
- 1-14
- 1.00
- 1 1/8-7
- 1.125
- 1 1/8-12
- 1.125
- 1 1/4-7
- 1.25
- M30 X3.5
- 1.181
- 1 1/4-12
- 1.25
- M30 X 2.0
- 1.181
Standard & Metric Thread Length for Hex Head Cap Screws
Inch Fasteners
- Dia
- Lengths
Threaded to the
Head - Lengths
with Partial
Threads - Min. & Max
Thread Lengths
- Lengths Up To
- Lengths
- Min.-Max.
- 1/4
- 1 1/8
- 1-1/4 to 6
- 3/4 - 1.0
- 5/16
- 1 1/4
- 1-5/16 to 6
- 7/8 - 1.153
- 3/8
- 1 3/8
- 1-1/2 to 6
- 1 - 1.312
- 7/16
- 1 5/8
- 1-3/4 to 6
- 1 1/8 - 1.482
- 1/2
- 1 3/4
- 1-7/8 to 6
- 1 1/4 - 1.635
- 9/16
- 2
- 2-1/8 to 6
- 1 3/8 - 1.792
- 5/8
- 2 1/8
- 2-1/4 to 6
- 1 1/2 - 1.955
- 3/4
- 2 1/2
- 2-5/8 to 6
- 1 3/4 - 2.250
- 7/8
- 2 3/4
- 2-7/8 to 6
- 2 - 2.556
- 1
- 3
- 3-1/8 to 6
- 2 1/4 - 2.875
- 1 1/8
- 3 1/2
- 3-5/8 to 6
- 2 1/8 - 3.214
- 1 1/4
- 3 3/4
- 3-7/8 to 6
- 2 3/4 - 3.464
- 1 3/8
- 4 1/4
- 4-5/16 to 6
- 3 - 3.833
- 1 1/2
- 4 1/2
- 4-5/8 to 6
- 3 1/4 - 4.083
- 1 3/4
- 5 1/2
- 5-1/4 to 6
- 3 3/4 - 4.75
- 2
- 5 3/4
- 5-7/8 to 6
- 4 1/4 - 5.361
- 2 1/4
- 6 1/2
- 6-5/8 to 12
- 5 - 5.861
- 2 1/2
- 7 1/8
- 7-1/8 to 12
- 5 1/2 - 6.5
Metric Fasteners
- Bolt
Diameter
(mm) - Bolts
125mm
and
Shorter - Bolts
Longer
Than
125mm
- 3
- 12
- -
- 4
- 14
- -
- 5
- 16
- 22
- 6
- 18
- 24
- 7
- 20
- 26
- 8
- 22
- 28
- 10
- 26
- 32
- 12
- 30
- 36
- 14
- 34
- 40
- 16
- 38
- 44
- 18
- 42
- 48
- 20
- 46
- 52
Inch Size Bolt Head/Wrench Size
- Bolt
Diameter - Hex Bolt Lag
Bolt Square
Bolt - Heavy Hex
Bolts
- #6
- 1/4
- #8
- 1/4
- #10
- 5/16
- #12
- 5/16
- 1/4
- 7/16 or 3/8
- 5/16
- 1/2
- 3/8
- 9/16
- 7/16
- 5/8
- 1/2
- 3/4
- 7/8
- 9/16
- 13/16
- 5/8
- 15/16
- 1 /16
- 3/4
- 1 1/8
- 1 1/4
- 7/8
- 1 5/16
- 1 7/16
- 1
- 1 1/2
- 1 5/8
- 1 1/8
- 1 11/16
- 1 3/4
- 1 1/4
- 1 7/8
- 2
Metric Size Bolt Head/Wrench Size
- Bolt
Diameter
(mm) - ANSI/ISO
- DIN
- DIN/ISO
Heavy
Hex
- 4
- 7
- 7
- 5
- 8
- 8
- 6
- 10
- 10
- 7
- 11
- 8
- 13
- 13
- 10
- 16
- 17
- 12
- 18
- 19
- 22/21
- 14
- 21
- 22
- 16
- 24
- 24
- 27
- 18
- 27
- 20
- 30
- 30
- 34/32
US Tap and Drill Bit Size
- Tap
- Drill Bit Size
(Optional
Letter/
Number)
- 0-80
- 3/64
- 1-64
- 53
- 2-56
- 50
- 3-48
- 47
- 4-40
- 3/32
- 5-40
- 38
- 6-32
- 7/64 (35)
- 8-32
- 29
- 10-24
- 5/32 (25)
- 10-32
- 5/32 (21)
- 12-24
- 11/64 (16)
- 1/4-20
- 13/64 (7)
- 1/4-28
- 7/32 (3)
- 5/16-18
- 17/64 (F)
- 5-16-24
- I
- 3/8-16
- 5/16
- 3/8-24
- 21/64 (Q)
- 7/16-14
- 23/64 (U)
- 7/16-20
- 25/64
- 1/2-13
- 27/64
- 1/2-20
- 29/64
- 9/16-12
- 31/64
- 9/16-18
- 33/64
- 5/8-11
- 17/32
- 5/8-18
- 37/64
- 3/4-10
- 21/32
- 3/4-16
- 11/16
Metric Tap and Drill Bit Size
- Tap
- Drill Bit Size
(Optional
Fractional)
- 3mm x 0.50
- 2.5 mm
- 4 x 0.70
- 3.4
- 5 x 0.80
- 4.3
- 6 x 1.00
- 5.2
- 7 x 1.00
- 6.1 (15/64)
- 8 x 1.25
- 6.9 (17/64)
- 8 x 1.00
- 7.1
- 10 x 1.50
- 8.7
- 10 x 1.25
- 8.9 (11/32)
- 10 x 1.00
- 9.1
- 12 x 1.75
- 10.5
- 12 x 1.50
- 10.7 (27/64)
- 14 x 2.00
- 12.2
- 14 x 1.50
- 12.7
- 16 x 2.00
- 14.2 (35/64)
- 16 x 1.50
- 14.7
Inch Cap Screw strength
- Inch Grade
- Tensile
Strength (Min) - Yield
Strength, min,
(psi) - Full Size
Proofload,
(psi) - Material
- Treatment
- Grade 2
- Carbon Steel
- None
- 1/4 thru 3/4
- 74,000
- 57,000
- 55,000
- >3/4 thru 1 1/2
- 60,000
- 36,000
- 33,000
- Grade 5
- Carbon Steel
- Quenched & Tempered
- 1/4 thru 1
- 120,000
- 92,000
- 85,000
- >1 thru 1 1/2
- 105,000
- 81,000
- 74,000
- Grade 8
- Alloy Steel
- Quenched & Tempered
- 1/4 thru 1 1/2
- 150,000
- 130,000
- 120,000
Metric Cap Screw strength
- Metric Grade
- Tensile
Strength
(Mpa) (Min) - Yield
strength, min,
(Mpa) - Full Size
Proofload,
(Mpa) - Material
- Treatment
- Class 8.8 < 16mm
- 800
- 640
- 580
- Carbon Steel
- Quenched & Tempered
- Class 8.8 > 16mm
- 830
- 660
- 600
- Class 10.9
- 1040
- 940
- 830
- Alloy Steel
- Quenched & Tempered
- Classs 12.9
- 1220
- 1100
- 970
- Alloy Steel
- Quenched & Tempered
Nominal Diameter Of Thread d(mm) |
Pitch | Nominal Stress Area | Property Class | |||||||||
P(mm) | As(mm2) | 4.6 | 8.8 | 10.9 | 12.9 | |||||||
Proof Load (As . Ap),N | ||||||||||||
3 | 0.5 | 5.03 | 1130 | 2920 | 4180 | 4880 | ||||||
3.5 | 0.6 | 6.78 | 1530 | 3940 | 5630 | 6580 | ||||||
4 | 0.7 | 8.78 | 1980 | 5100 | 7290 | 8520 | ||||||
5 | 0.8 | 14.2 | 3200 | 8230 | 11800 | 13800 | ||||||
6 | 1 | 20.1 | 4520 | 11600 | 16700 | 19500 | ||||||
7 | 1 | 28.9 | 6500 | 16800 | 24000 | 28000 | ||||||
8 | 1.25 | 36.6 | 8240 | 21200 | 30400 | 35500 | ||||||
10 | 1.5 | 58 | 13000 | 33700 | 48100 | 56300 | ||||||
12 | 1.75 | 84.3 | 19000 | 489001) | 70000 | 81800 | ||||||
14 | 2 | 115 | 25900 | 667001) | 95500 | 112000 | ||||||
16 | 2 | 157 | 35300 | 910001) | 130000 | 152000 | ||||||
18 | 2.5 | 192 | 43200 | 11500 | 159000 | 186000 | ||||||
20 | 2.5 | 245 | 55100 | 147000 | 203000 | 238000 | ||||||
22 | 2.5 | 303 | 68200 | 182000 | 252000 | 294000 | ||||||
24 | 3 | 353 | 79400 | 212000 | 293000 | 342000 | ||||||
27 | 3 | 459 | 103000 | 275000 | 381000 | 445000 | ||||||
30 | 3.5 | 561 | 126000 | 337000 | 466000 | 544000 | ||||||
33 | 3.5 | 694 | 156000 | 416000 | 570000 | 673000 | ||||||
36 | 4 | 817 | 184000 | 490000 | 678000 | 792000 | ||||||
39 | 4 | 976 | 220000 | 586000 | 947000 |
Tensile Strength
Tensile Strength: The maximum load in tension (pulling apart) which a material can withstand before breaking or fracturing.
Yield Strength: The load at which a material exhibits a specific permanent deformation.
Proof Load: An axial tensile load which the product must withstand without evidence of any permanent set.
1MPa = 1N/mm2 = 145 pounds/inch2
Suggested Torque Values & Clamp Loads
Torque Values for grades 2, 5, 8, and 9 Bolts - Coarse Thread
SAE Gr. 2 | SAE Gr. 5 | SAE Gr. 8 | Grade 9 | ||||||
Nominal Size & tpi | Tensile Stress Area (sq in) | Clamp Load (lb) | Tightening Torque (in-oz) | Clamp Load (lb) | Tightening Torque (in-oz) | Clamp Load (lb) | Tightening Torque (in-oz) | Clamp Load (lb) | Tightening Torque (in-oz) |
1/4-20 | 0.0318 | 859 | 37 (in-lbs) | 2029 | 86 (in-lbs) | 2864 | 122 (in-lbs) | 3357 | 143 (in-lbs) |
5/16-18 | 0.0524 | 1416 | 75 | 3342 | 178 | 4719 | 251 | 5531 | 294 |
3/8-16 | 0.0775 | 2092 | 11 (ft-lbs) | 4940 | 26 (ft-lbs) | 6974 | 37 (ft-lbs) | 8174 | 43 (ft-lbs) |
7/16-14 | 0.14063 | 2870 | 18 | 6777 | 42 | 9568 | 59 | 11214 | 70 |
1/2-13 | 0.1419 | 3831 | 27 | 9046 | 64 | 12771 | 90 | 14969 | 106 |
9/16-12 | 0.1819 | 4912 | 39 | 11599 | 92 | 16375 | 130 | 19193 | 153 |
5/8-11 | 0.226 | 6102 | 54 | 14408 | 128 | 20340 | 180 | 23840 | 211 |
3/4-10 | 0.3345 | 9030 | 96 | 21322 | 227 | 30101 | 320 | 35281 | 375 |
7/8-9 | 0.4617 | 12467 | 155 | 29436 | 365 | 41556 | 515 | 48707 | 604 |
1-8 | 0.6057 | 16355 | 232 | 38616 | 547 | 54517 | 772 | 63899 | 905 |
1 1/4-7 | 0.9691 | 26166 | 463 | 53786 | 952 | 87220 | 1545 | 102229 | 1810 |
1 1/2-6 | 1.4053 | 37942 | 806 | 77991 | 1657 | 126473 | 2688 | 148237 | 3150 |
All material in these charts are theoretical only. Use by anyone in an actual application is voluntary.
Torque Values are calculated from the formula - T = KDF, where
K = 0.17 for zinc plated, dry conditions
D = Nominal Diameter
F = Clamp Load
Clamp load calculated as 75% of the proof load when specified by the standard.
Torque Values for grades 2, 5, 8, and 9 Bolts - Fine Thread
SAE Gr. 2 | SAE Gr. 5 | SAE Gr. 8 | Grade 9 | ||||||
Nominal Size & tpi | Tensile Stress Area (sq in) | Clamp Load (lb) | Tightening Torque | Clamp Load (lb) | Tightening Torque | Clamp Load (lb) | Tightening Torque | Clamp Load (lb) | Tightening Torque |
1/4-28 | 0.0364 | 982 | 42 (in-lbs) | 2319 | 99 (in-lbs) | 3274 | 139 (in-lbs) | 3837 | 163 (in-lbs) |
5/16-24 | 0.0581 | 1568 | 83 | 3702 | 197 | 5226 | 278 | 6125 | 325 |
3/8-24 | 0.0878 | 2371 | 13 (ft-lbs) | 5599 | 30 (ft-lbs) | 7905 | 42 (ft-lbs) | 9265 | 49 (ft-lbs) |
7/16-20 | 0.1187 | 3205 | 20 | 7568 | 47 | 10684 | 66 | 12523 | 78 |
1/2-20 | 0.16 | 4319 | 31 | 10197 | 72 | 14396 | 102 | 16873 | 120 |
9/16-18 | 0.203 | 5480 | 44 | 12940 | 103 | 18268 | 146 | 21412 | 171 |
5/8-18 | 0.256 | 6911 | 61 | 16317 | 144 | 23036 | 204 | 27000 | 239 |
3/4-16 | 0.373 | 10070 | 107 | 23776 | 253 | 33566 | 357 | 39343 | 418 |
7/8-14 | 0.5095 | 13756 | 171 | 32479 | 403 | 45853 | 568 | 53743 | 666 |
1-14 | 0.6799 | 18357 | 260 | 43343 | 614 | 61190 | 867 | 71720 | 1016 |
1 1/4-12 | 1.0729 | 28970 | 513 | 59548 | 1055 | 96565 | 1710 | 113182 | 2004 |
1 1/2-12 | 1.581 | 37942 | 907 | 87747 | 1865 | 142292 | 3024 | 166778 | 3544 |
All material in these charts are theoretical only. Use by anyone in an actual application is voluntary.
Torque Valuses are calculated from the formula - T = KDF, where
K = 0.17 for zinc plated, dry conditions
D = Nominal Diameter
F = Clamp Load
Clamp load calculated as 75% of the proof load when specified by the standard.
Torque Values for Metric Bolts - Coarse Thread
- Class 4.6
- Class 8.8
- Class 10.9
- Nominal
Size &
Pitch - Tensile
Stress Area
(mm^2) - Clamp
Load
(lbs) - Tighten-
ing
Torque
(ft-lbs) - Clamp
Load
(lbs) - Tighten-
ing
Torque
(ft-lbs) - Clamp
Load
(lbs) - Tighten-
ing
Torque
(ft-lbs)
- 4-0.70
- 8.78
- 333
- 0.7
- 858
- 1.9
- 1228
- 2.7
- 5-0.80
- 14.2
- 538
- 1.5
- 1387
- 3.9
- 1985
- 5.5
- 6-1.00
- 20.1
- 763
- 2.6
- 1968
- 6.6
- 2816
- 9.4
- 8-1.25
- 36.6
- 1389
- 6.2
- 3580
- 16
- 5123
- 22.9
- 10-1.5
- 58
- 2200
- 12.3
- 5671
- 31.6
- 8115
- 45.2
- 12-1.75
- 84.3
- 3197
- 21.4
- 8240
- 55.1
- 11792
- 78.9
- 14-2.00
- 115
- 4379
- 34.2
- 11289
- 88.1
- 16154
- 126.1
- 16-2.00
- 157
- 5943
- 53
- 15320
- 137
- 21924
- 196
- 18-2.50
- 193
- 7301
- 73
- 18822
- 189
- 26934
- 270
- 20-2.50
- 245
- 9286
- 104
- 23938
- 267
- 34256
- 382
- 22-2.50
- 304
- 11509
- 141
- 296969
- 364
- 42457
- 521
- 24-3.00
- 353
- 13372
- 179
- 34471
- 461
- 49329
- 660
- 27-3.00
- 459
- 17428
- 262
- 44924
- 676
- 64288
- 968
- 30-3.50
- 561
- 21266
- 356
- 54819
- 917
- 78448
- 1312
- 33-3.50
- 694
- 26310
- 484
- 67821
- 1248
- 97055
- 1786
- 36-4.00
- 817
- 30982
- 622
- 79866
- 1603
- 114291
- 2294
Sản Phẩm
Hổ trợ
Hỗ trợ Kinh doanh:
sales@iwisu.com hoặc info@iwisu.com
Mr Đô: 0908.601.662
Mail: ledo@iwisu.com
Mr Hòa: 0908.217.288
Mail: truongphuchoa@iwisu.com
Ms. Dung : 0906. 286. 287
Mail: trandung@iwisu.com
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Mail: kinhdoanh02@iwisu.com
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Mail: kinhdoanh01@iwisu.com
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