H.J TECH INDUSTRY LIMITED
H.J TECH INDUSTRY LIMITED
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Flat Washer
din 125
din 126
din 433
din 434/435/436
din 9021
BS 4320A&B/4320C&D/E/F/G
BS 3410
din 7349
din 7989
DIN 9021
uss/sae Washers
repair washers
Square Washer
other Washers
DIN 472
DIN 6799
DIN 93
DIN 471
DIN 440
DIN 134
DIN 127
DIN 7980
DIN 6796
DIN 6797
DIN 6798
DIM 128
DIN 137
DIN 6917
DIN 6918
DIN 6916
DIN 463
Fender washer
DIN 7603
·¨ÖÆ25513
Sealing Washer
Circlip,Retainer Ring
High Tensile Washer
Spring Washers
Tooth Lock Washers
customer part
spring nut
IFI/USA Standard Washers
Special Washers
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About Us
H.J Tech Industry  Has Grown To Become A  Professional  Washers,Pipe Clamps,Funuture Reinforcements,Construction Brackets,Stamping Parts Manufacturer  in China.
Quality

H.J Tech Industry is certificated according to the ISO 9001:2000 since 2005 and the Production Process Controls:
At the entrance;
During the production;
At the end of the process;
Also  many kinds of quality tests are supported.

Products
Flat Washer > BS 4320A&B/4320C&D/E/F/G

Product name: BS 4320A & BS 4320B
Item No.:
英制垫圈
BS4320A and BS4320B

BS 4320A & BS 4320B

规格
size
内径
d1
外径
d2

厚度 s

Form A

Form B

Max Min Max Min Basic Max Min Basic Max Min
1 1.25 1.1 2.5 2.3 0.3 0.4 0.2 / / /
1.2 1.45 1.3 3 2.8 0.3 0.4 0.2 / / /
1.4 1.65 1.5 3 2.8 0.3 0.4 0.2 / / /
1.6 1.85 1.7 4 3.7 0.3 0.4 0.2 / / /
2 2.35 2.2 5 4.7 0.3 0.4 0.2 / / /
2.2 2.55 2.4 5 4.7 0.5 0.6 0.4 / / /
2.5 2.85 2.7 6.5 6.2 0.5 0.6 0.4 / / /
3 3.4 3.2 7 6.7 0.5 0.6 0.4 / / /
3.5 3.9 3.7 7 6.7 0.5 0.6 0.4 / / /
4 4.5 4.3 9 8.7 0.8 0.9 0.7 / / /
4.5 5 4.8 9 8.7 0.8 0.9 0.7 / / /
5 5.5 5.3 10 9.7 1 1.1 0.9 / / /
6 6.7 6.4 12.5 12.1 1.6 1.8 1.4 0.8 0.9 0.7
7 7.7 7.4 14 13.6 1.6 1.8 1.4 0.8 0.9 0.7
8 8.7 8.4 17 16.6 1.6 1.8 1.4 1 1.1 0.9
10 10.9 10.5 21 20.5 2 2.2 1.8 1.25 1.45 1.05
12 13.4 13 24 23.5 2.5 2.7 2.3 1.6 1.8 1.4
14 15.4 15 28 27.5 2.5 2.7 2.3 1.6 1.8 1.4
16 17.4 17 30 29.5 3 3.3 2.7 2 2.2 1.8
18 19.5 19 34 33.2 3 3.3 2.7 2 2.2 1.8
20 21.5 21 37 36.2 3 3.3 2.7 2 2.2 1.8
22 23.5 23 39 38.2 3 3.3 2.7 2 2.2 1.8
24 25.5 25 44 43.2 4 4.3 3.7 2.5 2.7 2.3
27 28.5 27 50 49.2 4 4.3 3.7 2.5 2.7 2.3
30 31.6 31 56 55 4 4.3 3.7 2.2 2.7 2.3
33 34.6 34 60 59 5 5.6 4.4 3 3.3 2.7
36 37.6 37 66 65 5 5.6 4.4 3 3.3 2.7
39 40.6 40 72 71 6 6.6 5.4 3 3.3 2.7
Productions of BS4320A & BS4320B
Material 材料 Finished 表面处理 Hardness

Carbon Steel

Q235;#45;#50;65Mn

碳钢 Plain/Self Colour (S/C) 本色 HV100
Zinc Plated (ZP) 蓝白锌
Zinc Yellow (YZP) 五彩锌 HV140
Zinc CR3+ 环保锌
Black Oxide (Black) 发黑 HV200
Hot Dip Galvanized (HDG) 热镀锌
Nickel 镀镍 HV300
Phosphated 磷化处理
Dacrome 达克罗 HRC32~45
Mechanical Galvanized 机械镀锌
Stainless Steel
SS316;SS304
不锈钢 Polished 抛光  
Bronze 磷铜 Polished 抛光  
Copper 紫铜 Polished 抛光  
Brass 黄铜 Polished 抛光  
Aluminum 铝 Polished 抛光  
Fibre 红钢纸 No Finished 无要求  
Descriptions 描述 Relates to bright metal and black metal washers for use with ISO metric bolts, screws and nuts. The washers are basically divided into 3 categories of size: 'normal', 'large' and 'extra large' diameter series and the bright washers are further divided by including a 'light range' which have thicknesses approximately 60 per cent of the 'normal range' thicknesses. The bright metal washers cover the range for bolts, M1 to M39.
 
H.J TECH INDUSTRY LIMITED
Add:No.817 Jinyang Road ,Jiashan Zhejiang P.R. China
Phone: +86-573-84297069
Email:sales@hjfastener.com
Fax: +86-573-84297068
info@hjfastener.com
Fax: +86-573-84297068
www.hjtechfastener.com


Features


Description

英制垫圈
BS4320A and BS4320B

BS 4320A & BS 4320B

规格
size
内径
d1
外径
d2

厚度 s

Form A

Form B

Max Min Max Min Basic Max Min Basic Max Min
1 1.25 1.1 2.5 2.3 0.3 0.4 0.2 / / /
1.2 1.45 1.3 3 2.8 0.3 0.4 0.2 / / /
1.4 1.65 1.5 3 2.8 0.3 0.4 0.2 / / /
1.6 1.85 1.7 4 3.7 0.3 0.4 0.2 / / /
2 2.35 2.2 5 4.7 0.3 0.4 0.2 / / /
2.2 2.55 2.4 5 4.7 0.5 0.6 0.4 / / /
2.5 2.85 2.7 6.5 6.2 0.5 0.6 0.4 / / /
3 3.4 3.2 7 6.7 0.5 0.6 0.4 / / /
3.5 3.9 3.7 7 6.7 0.5 0.6 0.4 / / /
4 4.5 4.3 9 8.7 0.8 0.9 0.7 / / /
4.5 5 4.8 9 8.7 0.8 0.9 0.7 / / /
5 5.5 5.3 10 9.7 1 1.1 0.9 / / /
6 6.7 6.4 12.5 12.1 1.6 1.8 1.4 0.8 0.9 0.7
7 7.7 7.4 14 13.6 1.6 1.8 1.4 0.8 0.9 0.7
8 8.7 8.4 17 16.6 1.6 1.8 1.4 1 1.1 0.9
10 10.9 10.5 21 20.5 2 2.2 1.8 1.25 1.45 1.05
12 13.4 13 24 23.5 2.5 2.7 2.3 1.6 1.8 1.4
14 15.4 15 28 27.5 2.5 2.7 2.3 1.6 1.8 1.4
16 17.4 17 30 29.5 3 3.3 2.7 2 2.2 1.8
18 19.5 19 34 33.2 3 3.3 2.7 2 2.2 1.8
20 21.5 21 37 36.2 3 3.3 2.7 2 2.2 1.8
22 23.5 23 39 38.2 3 3.3 2.7 2 2.2 1.8
24 25.5 25 44 43.2 4 4.3 3.7 2.5 2.7 2.3
27 28.5 27 50 49.2 4 4.3 3.7 2.5 2.7 2.3
30 31.6 31 56 55 4 4.3 3.7 2.2 2.7 2.3
33 34.6 34 60 59 5 5.6 4.4 3 3.3 2.7
36 37.6 37 66 65 5 5.6 4.4 3 3.3 2.7
39 40.6 40 72 71 6 6.6 5.4 3 3.3 2.7
Productions of BS4320A & BS4320B
Material 材料 Finished 表面处理 Hardness

Carbon Steel

Q235;#45;#50;65Mn

碳钢 Plain/Self Colour (S/C) 本色 HV100
Zinc Plated (ZP) 蓝白锌
Zinc Yellow (YZP) 五彩锌 HV140
Zinc CR3+ 环保锌
Black Oxide (Black) 发黑 HV200
Hot Dip Galvanized (HDG) 热镀锌
Nickel 镀镍 HV300
Phosphated 磷化处理
Dacrome 达克罗 HRC32~45
Mechanical Galvanized 机械镀锌
Stainless Steel
SS316;SS304
不锈钢 Polished 抛光  
Bronze 磷铜 Polished 抛光  
Copper 紫铜 Polished 抛光  
Brass 黄铜 Polished 抛光  
Aluminum 铝 Polished 抛光  
Fibre 红钢纸 No Finished 无要求  
Descriptions 描述 Relates to bright metal and black metal washers for use with ISO metric bolts, screws and nuts. The washers are basically divided into 3 categories of size: 'normal', 'large' and 'extra large' diameter series and the bright washers are further divided by including a 'light range' which have thicknesses approximately 60 per cent of the 'normal range' thicknesses. The bright metal washers cover the range for bolts, M1 to M39.
 
H.J TECH INDUSTRY LIMITED
Add:No.817 Jinyang Road ,Jiashan Zhejiang P.R. China
Phone: +86-573-84297069
Email:sales@hjfastener.com
Fax: +86-573-84297068
info@hjfastener.com
Fax: +86-573-84297068
www.hjtechfastener.com
BS 4320A & BS 4320B.pdf


Address:No.817 Jinyang Road,Jiashan County,Jiaxing City,China Phone:+86-573-84297069 Fax:+86-573-84297068
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