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六角頭螺栓 UNI 6420 - 1969

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M24

UNI  6420 - 1969 六角頭螺栓

尺寸單位: mm
意大利UNI 6420 - 1969 UNI6420 6420UNI 六角頭螺栓
UNI  6420 - 1969 六角頭螺栓
掃一掃分享
千件重及價格計算 千件重 : kg x 元/kg = 元/千件
默認密度 g/cm3
公稱長度L 注:選擇後獲得 相應重量
螺紋規格
d
M8 M10 M12 M14 M16 M20 M24
P 螺距
ds 最大值=公稱
最小值
b 最小值=公稱
最大值
s 最大值=公稱
最小值
e 最小值
k 公稱
1.25 1.5 1.75 2 2 2.5 3
8 10 12 14 16 20 24
7.85 9.85 11.82 13.82 15.82 19.79 23.79
22 26 30 34 38 46 54
24.5 29 33.5 38 42 51 60
13 17 19 22 24 30 36
12.73 16.73 18.67 21.67 23.67 29.67 35.38
14.38 18.9 21.1 24.49 26.75 33.53 39.98
5.5 7 8 9 10 13 15
千件鋼制重≈kg
- - - - - - -
注:技術數據僅供參考,請以官方原件為準!
類似标準及供貨信息
1 C級六角頭螺栓 [國标]
GB /T 5780 - 2016
C級六角頭螺栓
Hexagon Head Bolts - Product Grade C
供應商(4)
2 六角頭螺栓 A級和B級 [國标]
GB /T 5782 - 2016
六角頭螺栓 A級和B級
Hexagon Head Bolts - Grade A and B
供應商(17)
3 C級六角頭螺栓 [國标]
GB /T 5780 - 2000
C級六角頭螺栓
Hexagon Head Bolts - Product Grade C
供應商(4)
4 A級和B級六角頭螺栓 [國标]
GB /T 5782 - 2000
A級和B級六角頭螺栓
Hexagon head bolts-Product grades A and B
供應商(17)
5 六角頭螺栓 C級 [國标]
GB 5780 - 1986
六角頭螺栓 C級
Hexagon Head Bolts - Product Grade C
供應商(4)
6 六角頭螺栓 A級和B級 [國标]
GB 5782 - 1986
六角頭螺栓 A級和B級
Hexagon Head Bolts - Product Grades A and B
供應商(17)
7 六角頭螺栓 [國标]
GB 30 - 1976
六角頭螺栓
Hexagon Head Bolts
供應商(5)
8 六角頭螺栓 [國标]
GB 5 - 1976
六角頭螺栓
Hexagon Head Bolts
供應商(4)
9 六角頭不脫出螺釘 [國标]
GB 838 - 1988
六角頭不脫出螺釘
Hexagon Screws with Waisted Shank
10 細杆六角頭螺栓 B級 [國标]
GB 5784 - 1986
細杆六角頭螺栓 B級
Hexagon Head Bolts - Reduced Shank - Product Grade B
11 米制六角頭螺釘 Table 8 [美标]
IFI 513 - 1982
米制六角頭螺釘 Table 8
Metric Hex Head Machine Screws
12 米制鐵塔用六角頭螺栓 [美标]
IFI 541 - 1982
米制鐵塔用六角頭螺栓
Metric Hex Transmission Tower Bolts
13 米制M68 - M160 x 6 的六角頭螺栓 B級 [德标]
DIN 931-2 - 2009
米制M68 - M160 x 6 的六角頭螺栓 B級
Hexagon head bolts - Part 2: Metric thread M 68 to M 160 x 6 - Product grade B
供應商(2)
14 粗牙縮徑杆(細杆)螺栓、螺釘 [德标]
DIN 7964 - 1990
粗牙縮徑杆(細杆)螺栓、螺釘
Reduced Shank Bolts and Screws with Coarse Thread
供應商(4)
15 粗牙不脫出螺栓和螺釘 - 六角頭 (ISO 4014) [德标]
DIN 7964 (D1) - 1990
粗牙不脫出螺栓和螺釘 - 六角頭 (ISO 4014)
Reduced shanke bolts and screws with coarse thread - Hexagon head (ISO 4014)
供應商(4)
16 粗牙不脫出螺栓和螺釘 - 六角頭 (DIN 931) [德标]
DIN 7964 (D2) - 1990
粗牙不脫出螺栓和螺釘 - 六角頭 (DIN 931)
Reduced shanke bolts and screws with coarse thread - Hexagon head (DIN 931)
供應商(4)
17 六角頭粗杆半牙螺栓M1.6-M39 [德标]
DIN 931-1 - 1987
六角頭粗杆半牙螺栓M1.6-M39
Hexagon head bolts grades A and B partially threaded
供應商(10)
18 六角頭粗杆半牙螺栓M42-M160  B級 [德标]
DIN 931-2 - 1987
六角頭粗杆半牙螺栓M42-M160 B級
Hexagon head bolts,metric thread M42 to M160×6, product grade B
供應商(2)
19 六角頭不脫出螺釘 [德标]
DIN 7964 - 1977
六角頭不脫出螺釘
Hexagon head screws with waisted shank
供應商(4)
20 航空航天 - 耐腐蝕鋼,短MJ螺紋,緊公差六角頭螺栓 - 用于溫度最高425℃,标稱抗拉強度1100MPa [德标]
DIN 65339 - 2021
航空航天 - 耐腐蝕鋼,短MJ螺紋,緊公差六角頭螺栓 - 用于溫度最高425℃,标稱抗拉強度1100MPa
Hexagon Bolts, Close Tolerance, With Short-length MJ Thread, Corrosion-resisting Steel - Nominal Tensile Strength 1100 MPa, For Temperatures Up To 425℃
21 粗牙六角頭細杆螺栓 [德标]
DIN 6929 (DE) - 2013
粗牙六角頭細杆螺栓
Hexagon Head Bolts
22 六角頭螺栓 M5 ~ M52 產品等級:C級 [德标]
DIN 601 - 1987
六角頭螺栓 M5 ~ M52 產品等級:C級
M5 to M52 Hexagon Head Bolts - Product Grade C
23 電力牽引;用于架空配件的凹端螺釘(A.六角頭螺釘,B.六角頭螺釘帶螺母,C.方頭螺釘) [德标]
DIN 43165 - 1985
電力牽引;用于架空配件的凹端螺釘(A.六角頭螺釘,B.六角頭螺釘帶螺母,C.方頭螺釘)
Electric traction; screws with cup point for overhead fittings
24 六角頭螺栓 A和B級 [國際]
ISO 4014 - 2022
六角頭螺栓 A和B級
Hexagon Head Bolts - Product Grades A and B
供應商(5)
25 六角頭螺栓 產品等級:C級 [國際]
ISO 4016 - 2022
六角頭螺栓 產品等級:C級
Hexagon Head Bolts - Product Grade C
供應商(1)
26 六角頭螺栓 產品等級A和B級 [國際]
ISO 4014 - 2011
六角頭螺栓 產品等級A和B級
Hexagon Head Bolts—Product Grades A And B
供應商(5)
27 C級六角頭螺栓 [國際]
ISO 4016 - 2011
C級六角頭螺栓
Hexagon Head Bolts-Product Grade C
供應商(1)
28 六角頭螺栓 產品等級A和B級 [國際]
ISO 4014 - 1999
六角頭螺栓 產品等級A和B級
Hexagon head bolts - Product grades A and B
供應商(5)
29 C級六角頭螺栓 [國際]
ISO 4016 - 1999
C級六角頭螺栓
Hexagon head bolts-Product grade C
供應商(1)
30 六角頭細杆螺栓(細杆直徑約等于中徑)- 產品等級:B級 [國際]
ISO 4015 - 2022
六角頭細杆螺栓(細杆直徑約等于中徑)- 產品等級:B級
Hexagon Head Bolts - Reduced Shank(Shank Diameter≈Pitch Diameter) - Product Grade B
31 六角頭細杆螺栓,B級 [國際]
ISO 4015 - 1979
六角頭細杆螺栓,B級
Hexagon Head Bolts-Product Grade B-Reduced Shank(Shank Diameter≈Pitch Diameter)
32 六角頭螺栓 產品等級:C級 [Figure-2] [日标]
JIS B 1180 (ISO4016) - 2014
六角頭螺栓 產品等級:C級 [Figure-2]
Hexagon Head Bolt - Coarse thread - Product Grade C
33 六角頭螺栓 產品等級:A級和B級 [Figure 1] [日标]
JIS B 1180 (ISO4014) - 2014
六角頭螺栓 產品等級:A級和B級 [Figure 1]
Hexagon Head Bolt - Coarse thread - Product Grades A and B
34 六角頭螺栓 細牙 產品等級:A級和B級 [Figure 3] [日标]
JIS B 1180 (ISO8765) - 2014
六角頭螺栓 細牙 產品等級:A級和B級 [Figure 3]
Hexagon Head Bolt, Fine thread, Product Grade A and B
35 六角頭螺栓 粗牙 細杆 產品等級:B級 [Figure 7] [日标]
JIS B 1180 (ISO4015) - 2014
六角頭螺栓 粗牙 細杆 產品等級:B級 [Figure 7]
Hexagon Head Bolt, Pitch diameter, Coarse thread, Product Grade B
36 六角頭螺栓 產品等級:C級 [表2] [日标]
JIS B 1180 (ISO4016) - 2004
六角頭螺栓 產品等級:C級 [表2]
Hexagon Head Bolts, Product Grade C [Table 2]
37 六角頭螺栓 精制 [Annex Attached Table 1.1] [日标]
JIS B 1180 (AAT1.1) - 2004
六角頭螺栓 精制 [Annex Attached Table 1.1]
Hexagon Head Bolts - Finished (Attached Table 1.1)
38 六角頭螺栓 半精制 [Annex 1 Attached Table 1.2] [日标]
JIS B 1180 (AT1.2) - 2004
六角頭螺栓 半精制 [Annex 1 Attached Table 1.2]
Hexagon Head Bolts (Semi-finished) [Annex 1 Attached Table 1.2]
39 BB和SB型卸扣用 六角頭螺栓和六角螺母 [日标]
JIS B 2801 - 1996
BB和SB型卸扣用 六角頭螺栓和六角螺母
Hexagon Head Bolt and Hexagon Nut for Shackles, Forms BB and SB
40 六角頭螺栓 產品等級:A級 [Table 3] [日标]
JIS B 1180 (ISO 4014) - 1994
六角頭螺栓 產品等級:A級 [Table 3]
Hexagon head bolts, Product Grade A [Table 3]
41 六角頭螺栓 產品等級:B級  [Table 4] [日标]
JIS B 1180 (ISO 8765) - 1994
六角頭螺栓 產品等級:B級 [Table 4]
Hexagon head bolts, Product Grade B [Table 4]
42 六角頭螺栓 產品等級:C級  [Table 7] [日标]
JIS B 1180 (ISO 4016) - 1994
六角頭螺栓 產品等級:C級 [Table 7]
Hexagon head bolts, Product Grade C [Table 7]
43 六角頭螺栓 半精制 [Annex Attached Table 1.2] [日标]
JIS B 1180 (AT1.2) - 1994
六角頭螺栓 半精制 [Annex Attached Table 1.2]
Hexagon head bolts, semifinished [Annex Attached Table 1.2]
44 六角頭螺栓 普通加工精度 [Annex Attached Table 1.3] [日标]
JIS B 1180 (AT1.3) - 1994
六角頭螺栓 普通加工精度 [Annex Attached Table 1.3]
Hexagon head bolts, regular [Annex Attached Table 1.3]
45 六角頭螺栓 精制 [Annex Attached Table 1.1] [日标]
JIS B 1180 (AAT1.1) - 1994
六角頭螺栓 精制 [Annex Attached Table 1.1]
Hexagon head bolts, finished [Annex Attached Table 1.1]
46 六角頭螺栓 細杆 產品等級:B級 [Table 9] [日标]
JIS B 1180 (ISO 4015) - 1994
六角頭螺栓 細杆 產品等級:B級 [Table 9]
Effective diameter Hexagon head bolts,Porduct Grade B, [Table 9]
47 六角頭螺栓 [汽标代号]
Q 150B
六角頭螺栓
Hexagon head bolts
48 六角頭螺栓 [汽标代号]
Q 151
六角頭螺栓
Hexagon head bolts
49 六角頭細牙螺栓 [汽标代号]
Q 151B
六角頭細牙螺栓
Hexagon head bolts - Fine Thread
50 六角頭較細牙螺栓 [汽标代号]
Q 151C
六角頭較細牙螺栓
Hexagon head bolts - Fine Thread
51 焊接連接鉸接管接頭鉸接螺栓 [機械行業]
JB /T 978 (bolt) - 2013
焊接連接鉸接管接頭鉸接螺栓

52 六角頭預應力螺栓 [機械行業]
JB /ZQ 4322 - 2006
六角頭預應力螺栓
Hex head prestressed bolts
53 六角頭粗杆螺栓 B級 [機械行業]
JB /ZQ 4323 - 2006
六角頭粗杆螺栓 B級
Hexagon Head Bolts - Product Grade B
54 米制六角頭螺栓 (SAE J1199, ASTM F568) [美标]
ASME/ANSI B 18.2.3.5M - 2006
米制六角頭螺栓 (SAE J1199, ASTM F568)
Metric Hex Head Bolts (SAE J1199, ASTM F568)
供應商(1)
55 六角頭螺釘 [Table 4] [美标]
ASME/ANSI B 18.2.1 (T4) - 1981
六角頭螺釘 [Table 4]
Hex Cap Screws [Table 4]
供應商(2)
56 大六角頭螺釘 [Table 5] [美标]
ASME/ANSI B 18.2.1 (T5) - 1981
大六角頭螺釘 [Table 5]
Heavy Hex Screws [Table 5]
供應商(3)
57 米制粗六角螺釘 (F568M, F738M, F468M) [美标]
ASME/ANSI B 18.2.3.3M - 2007 (R2014)
米制粗六角螺釘 (F568M, F738M, F468M)
Metric heavy hex screws (F568M, F738M, F468M)
58 米制六角頭粗杆螺栓 [美标]
ASME/ANSI B 18.2.3.1M - 2005
米制六角頭粗杆螺栓
Metric hex cap screws
59 米制六角頭螺釘Table14 [美标]
ASME/ANSI B 18.6.7M - 1998
米制六角頭螺釘Table14
Metric hexagon head screws
60 航空航天 六角頭螺栓,細杆,長螺紋,NI-P100HT(Inconel 718)耐熱鎳基合金,強度等級:1275Mpa(室溫)/650℃ [歐标]
EN 3008 - 1998
航空航天 六角頭螺栓,細杆,長螺紋,NI-P100HT(Inconel 718)耐熱鎳基合金,強度等級:1275Mpa(室溫)/650℃
Aerospace Series - Bolts, Hexagon Head, Relieved Shank, Long Thread, in Heat Resisting Nickel Base Alloy NI-P100HT (Inconel 718) - Classification: 1275 MPa (at Ambient Temperature)/650°C
61 六角頭螺栓,細杆,長螺紋,NI-P100HT(Inconel 718)耐熱鎳基合金,鍍銀,強度等級:1275Mpa(室溫)/650℃ [歐标]
EN 3009 - 1998
六角頭螺栓,細杆,長螺紋,NI-P100HT(Inconel 718)耐熱鎳基合金,鍍銀,強度等級:1275Mpa(室溫)/650℃
Aerospace Series - Bolts, Hexagon Head, Relieved Shank,Long Thread, in Heat Resisting Nickel Base Alloy NI-P100HT (Inconel 718) - Classification: 1275 MPa (at Ambient Temperature)/650°C
62 航空航天 - 六角頭螺栓,細杆,長螺紋,FE-PA92HT(A286)耐高溫鋼, 鍍銀,強度等級:900Mpa(室溫)/650℃ [歐标]
EN 3007 - 1996
航空航天 - 六角頭螺栓,細杆,長螺紋,FE-PA92HT(A286)耐高溫鋼, 鍍銀,強度等級:900Mpa(室溫)/650℃
Aerospace Series - Bolts, Hexagon Head, Relieved Shank, Long Thread, In Heat Resisting Steel FE-PA92HT (A286), Silver Plated - Classification: 900 MPa (at Ambient Temperature)/650℃
63 航空航天 -  六角頭螺釘 全螺紋 耐熱鋼FE-PA92HT(A286),鍍銀 - 等級:900MPa(環境溫度)/650℃ [歐标]
EN 2938 - 1995
航空航天 - 六角頭螺釘 全螺紋 耐熱鋼FE-PA92HT(A286),鍍銀 - 等級:900MPa(環境溫度)/650℃
Aerospace series - Screws, Hexagon Head, Threaded to Head, in Heat Resisting Steel FE-PA92HT (A286), Silver Plated - Classification: 900 MPa (at Ambient Temperature)/650 °C
64 航空航天 - 六角頭螺栓,細杆,長螺紋,FE-PA92HT(A286)耐熱鋼, 強度等級:900Mpa(室溫)/650℃ [歐标]
EN 3006 - 1994
航空航天 - 六角頭螺栓,細杆,長螺紋,FE-PA92HT(A286)耐熱鋼, 強度等級:900Mpa(室溫)/650℃
Aerospace Series - Bolts, Hexagon Head, Relieved Shank, Long Thread, In Heat Resisting Steel FE-PA92HT (A286), Classification: 900 MPa (at Ambient Temperature)/650℃
65 六角頭螺栓 產品等級:A和B級 [歐标]
EN 24014 - 1991
六角頭螺栓 產品等級:A和B級
Hexagon head bolts - Product grades A and B
66 六角頭細杆螺栓(細杆直徑約等于中徑)- 產品等級:B級 [歐标]
EN 24015 - 1991
六角頭細杆螺栓(細杆直徑約等于中徑)- 產品等級:B級
Hexagon Head Bolts - Product Grade B - Reduced Shank (Shank Diameter ≈ Pitch Diameter)
67 六角頭螺栓 產品等級C [歐标]
EN 24016 - 1991
六角頭螺栓 產品等級C
Hexagon Head Bolls: Product Grade C
68 外六角螺栓 [意大利]
UNI 5737 - 1977
外六角螺栓
Hexagon Cap Screw, Partially Threaded Shank, ISO Metric Coarse Thread Pitch - Product Grade A
供應商(1)
69 六角頭螺栓 A和B級 [法國]
NF E 25-112 - 2001
六角頭螺栓 A和B級
Hexagon Head Bolts - Product Grades A And B
70 C級六角頭螺栓 [法國]
NF E 25-115-1 - 2001
C級六角頭螺栓
Hexagon Head Bolts - Grade C
71 B級六角頭細杆螺栓 [法國]
NF E 25-113 - 1992
B級六角頭細杆螺栓
Hexagon Head Bolts - Product Grade B - Reduced Shank
72 六角頭承拉螺釘 米制螺紋4g [法國]
NF L 22-145 - 1985
六角頭承拉螺釘 米制螺紋4g
Bolt, Hexagonal Head, For Tensile Application, ISO Thread-4g Class
73 六角頭螺栓 8.8級、10.9級 [法國]
NF E 27-711 - 1982
六角頭螺栓 8.8級、10.9級
Hexagon Head Bolts
74 六角頭粗杆半牙螺栓(粗牙) A級和B級 [化工]
HG /T 20613 (GB5782) - 2009
六角頭粗杆半牙螺栓(粗牙) A級和B級
Hexagon Bolt, Coarse thread, Product grade A and B
供應商(3)
75 法蘭管用六角螺栓 [化工]
HG /T 20634 (GB5782) - 2009
法蘭管用六角螺栓
Hexagon bolts for flange pipe
供應商(4)
76 鋼制管法蘭用六角螺栓 [化工]
HG /T 20634 - 1997
鋼制管法蘭用六角螺栓
Hexagon Bolts For Steel Pipe Flange
供應商(4)
77 法蘭管用六角螺栓 [化工]
HG /T 20635 - 2009
法蘭管用六角螺栓
Hexagon bolts for flange pipe
78 六角頭粗制螺栓 [Table 5] [英标]
BS 4190 - 2014
六角頭粗制螺栓 [Table 5]
Iso Metric Black Hexagon Head Bolts [Table 5]
供應商(1)
79 六角頭粗制螺栓 [Table 10] [英标]
BS 4190 - 2001
六角頭粗制螺栓 [Table 10]
Iso Metric Black Hexagon Head Bolts [Table 10]
供應商(1)
80 米制精制六角頭螺栓 [英标]
BS 3692 - 2014
米制精制六角頭螺栓
Metric Precision Hexagon Bolts
81 米制粗制六角頭螺栓 - 僅車削支承面或支承面和杆部車削 [Table 6] [英标]
BS 4190 - 2014
米制粗制六角頭螺栓 - 僅車削支承面或支承面和杆部車削 [Table 6]
Iso Metric Hexagon Head Bolts - Faced Under Head Or Faced Under Head And Turned On Shank [Table 6]
82 米制精制六角頭螺栓 [英标]
BS 3692 - 2001
米制精制六角頭螺栓
Metric Precision Hexagon Bolts
83 米制粗制六角頭螺栓 - 僅車削支承面或支承面和杆部車削  [Table 11] [英标]
BS 4190 - 2001
米制粗制六角頭螺栓 - 僅車削支承面或支承面和杆部車削 [Table 11]
Iso Metric Hexagon Head Bolts - Faced Under Head Or Faced Under Head And Turned On Shank [Table 11]
84 凹腦六角頭螺釘Table18 [英标]
BS 1981 - 1991
凹腦六角頭螺釘Table18
Plain Hexagon Head Screws
85 六角頭細杆半牙螺釘Table18 [英标]
BS 1981 - 1991
六角頭細杆半牙螺釘Table18
Plain Hexagon Head Screws
86 精制六角頭螺栓, 墊圈面, 半牙 -  B.S.W. & B.S.F. 英制螺紋 [英标]
BS 1083 - 1965
精制六角頭螺栓, 墊圈面, 半牙 - B.S.W. & B.S.F. 英制螺紋
Precision Hexagon Head Bolts - Washer Faced - B.S.W. & B.S.F. threads
87 英制六角頭螺釘 - B.S.W. & B.S.F. 螺紋 [Table 9] [英标]
BS 450 - 1958
英制六角頭螺釘 - B.S.W. & B.S.F. 螺紋 [Table 9]
Hexagon Head Machine Screws with B.S.W. & B.S.F. Threads [Table 9]
88 英制六角頭螺栓 - 粗制 - 镦鍛 [Table 1] [英标]
BS 916 - 1953
英制六角頭螺栓 - 粗制 - 镦鍛 [Table 1]
Hexagon Head Bolt with B.S.Threads [Table 1]
89 英制六角頭螺栓 - 粗制 - 車削支承面或車削支承面和光杆 [Table 2] [英标]
BS 916 - 1953
英制六角頭螺栓 - 粗制 - 車削支承面或車削支承面和光杆 [Table 2]
Hexagon bolts faced under head, and faced under head and turned on shank with B.S.Threads - Black [Table 2]
90 大六角頭車削螺栓(統一螺紋) [英标]
BS 1769 - 1951
大六角頭車削螺栓(統一螺紋)
Unified hexagon head faced bolts
91 塔式建築用熱鍍鋅螺栓 [澳标]
AS 1559 - 2018
塔式建築用熱鍍鋅螺栓
ISO Metric Hot-dip Galvanized Hexagon Bolts For Tower Construction
92 米制六角頭螺栓 A和B級 [澳标]
AS 1110.1 - 2000
米制六角頭螺栓 A和B級
ISO Metric Hexagon Head Bolts - Product Grades A And B
93 米制六角頭螺栓 C級 [澳标]
AS 1111.1 - 2000
米制六角頭螺栓 C級
ISO Metric Hexagon Head Bolts - Product Grade C
94 美制六角螺栓 - UNC, UNF螺紋 [澳标]
AS /NZS 2465 - 1999 (R2016)
美制六角螺栓 - UNC, UNF螺紋
Hexagon Bolts (UNC and UNF threads)
95 英制螺紋六角頭螺栓 [澳标]
AS /NZS 2451 - 1998
英制螺紋六角頭螺栓
Bolts With Britishstandard Whitworth Threads (Rationalized Series)
96 塔式建築用熱鍍鋅螺栓 [澳标]
AS /NZS 1559 - 1997
塔式建築用熱鍍鋅螺栓
ISO Metric Hot-dip Galvanized Hexagon Bolts For Tower Construction
97 六角頭螺栓(精制及半精制) [台灣]
CNS 3121 - 1998
六角頭螺栓(精制及半精制)
Hexagon Head Bolts - Finished And Semi-Finished
98 粗制六角頭螺栓 C級 [台灣]
CNS 3123 - 1987
粗制六角頭螺栓 C級
Hexagon Head Bolts, Regular, Metric Thread
99 橋用高強度緊固件 六角頭螺栓 [俄标]
GOST 53664 - 2009
橋用高強度緊固件 六角頭螺栓
Hexagon Head Bolts
100 B級六角頭細杆螺栓 [俄标]
GOST R 50791 - 1995
B級六角頭細杆螺栓
Hexagon Head Bolts-Product Grade B-Reduced Shank(Shank Diameter≈Pitch Diameter)
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