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Unit:mm

Hexagon Head Bolts

GB 30 - 1976

Display drawing:

国标GB 30 - 1976 GB30 30GB Hexagon Head Bolts
Download CAD Model*
国标GB 30 - 1976 GB30 30GB Hexagon Head Bolts
Download CAD Model*

 *Models with different eras.

Calculate weight and price. Weight 1000 pcs : kg x $ per kg = $ 1000 pcs
Default density g/cm3
×

Choose materials based on density.(g/cm3)

  • Carbon Steel 7.85
  • Stainless Steel 8.1
  • Stainless Steel 7.95
  • Stainless Steel 7.7
  • Titanium Alloy 4.5
  • Aluminum Alloy 2.8
  • Copper 8.89


Select here or enter material density on the calculation page.
Nominal Length L Tips:seclect Nominal Length L and get Weight Thread length.
Thread Size
d
M3 M4 M5 M6 M8 M10 M12 (M14) M16
P
k Nominal Size
max
min
s max=nominal size
min
e
r
0.5 0.7 0.8 1 1.25 1.5 1.75 2 2
2 2.8 3.5 4 5.5 7 8 9 10
2.2 3 3.74 4.24 5.74 7.29 8.29 9.29 10.29
1.8 2.6 3.26 3.76 5.26 6.71 7.71 8.71 9.71
5.5 7 8 10 14 17 19 22 24
5.34 6.8 7.8 9.8 13.76 16.76 18.72 21.72 23.72
6.3 8.1 9.2 11.5 16.2 19.6 21.9 25.4 27.7
0.3 0.3 0.3 0.4 0.4 0.4 0.6 0.6 0.6
Weight of per 1000 steel products(≈kg)
- - - - - - - - -
Length of Thread b
- - - - - - - - -
Thread Size
d
(M18) M20 (M22) M24 (M27) M30 M36 M42 M48
P
k Nominal Size
max
min
s max=nominal size
min
e
r
2.5 2.5 2.5 3 3 3.5 4 4.5 5
12 13 14 15 17 19 23 26 30
12.35 13.35 14.35 15.35 17.35 19.42 23.42 26.42 30.42
11.65 12.65 13.65 14.65 16.65 18.58 22.58 25.58 29.58
27 30 32 36 41 46 55 65 75
26.72 29.72 31.66 35.66 40.66 45.66 54.6 64.6 74.6
31.2 34.6 36.9 41.6 47.3 53.1 63.5 75 86.5
1 1 1 1 1 1 1.5 1.5 1.5
Weight of per 1000 steel products(≈kg)
- - - - - - - - -
Length of Thread b
- - - - - - - - -

Alternative history

GB 30 - 1976 GB 5785 - 1985 GB /T 5785 - 2000 GB /T 5785 - 2016

Suppliers

Best price if from GlobalFastener.com.
Ningbo SiTuo Fastener Co., Ltd

  • Petty Cao

  • +86-15381997760

  • Material: carbon steel, stainless steel; Grade: 4.8, 8.8, 10.9, 12.9; Surface treatment: according to customer requirements; Complete specifications, non-standard customization.
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48 Metric Hex Transmission Tower Bolts [IFI]
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50 Hexagon Head Bolls: Product Grade C [EN]
EN 24016 - 1991 		Hexagon Head Bolls: Product Grade C
51 Hexagon Head Bolts - Product Grade B - Reduced Shank (Shank Diameter ≈ Pitch Diameter) [ISO]
ISO 4015 - 1979 		Hexagon Head Bolts - Product Grade B - Reduced Shank (Shank Diameter ≈ Pitch Diameter)
52 Metric Hex Bolts (SAE J1199, ASTM F568) [ANSI]
ANSI B18.2.3.5M - 1979 (R2016) 		Metric Hex Bolts (SAE J1199, ASTM F568)
53 Metric Hexagon Head Screws [ASME/ANSI]
ASME/ANSI B 18.6.7M - 1998 		Metric Hexagon Head Screws
54 Metric Hex Head Bolts (SAE J1199, ASTM F568) [ASME/ANSI]
ASME/ANSI B 18.2.3.5M - 2006 		Metric Hex Head Bolts (SAE J1199, ASTM F568)
55 Hexagon Head Bolts [DIN]
DIN 6929 (DE) - 2013 		Hexagon Head Bolts
56 Electric Traction; Screws with Cup Point for Overhead Fittings [DIN]
DIN 43165 - 1985 		Electric Traction; Screws with Cup Point for Overhead Fittings
57 Aerospace Series-Screws, Hexagon Head, Relieved Shank, Long Thread, In Heat Resisting Steel FE-PA92HT (A286), Classification: 900 MPa (at Ambient Temperature)/650℃ [DIN EN]
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58 M5 to M52 Hexagon Head Bolts - Product Grade C [DIN]
DIN 601 - 1987 		M5 to M52 Hexagon Head Bolts - Product Grade C
59 Hexagon Head Bolts - Finished (Attached Table 1.1) [JIS]
JIS B 1180 (AAT1.1) - 2004 		Hexagon Head Bolts - Finished (Attached Table 1.1)
60 Hexagon Head Bolt, Fine Thread, Product Grade A and B [JIS]
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61 Iso Metric Black Hexagon Head Bolts [Table 5] [BS]
BS 4190 - 2014 		Iso Metric Black Hexagon Head Bolts [Table 5]
62 Hexagon Head Bolts, Product Grade B [Table 4] [JIS]
JIS B 1180 (ISO 8765) - 1994 		Hexagon Head Bolts, Product Grade B [Table 4]
63 Hexagon Head Bolts [GB]
GB 5 - 1976 		Hexagon Head Bolts
64 Hexagon Screws with Waisted Shank [GB]
GB 838 - 1988 		Hexagon Screws with Waisted Shank
65 Hexagon Screws for Manufacture of Railway and Tramway Rolling Stock - ISO Metric Coarse Thread - Finish A [UNI]
UNI 6420 - 1969 		Hexagon Screws for Manufacture of Railway and Tramway Rolling Stock - ISO Metric Coarse Thread - Finish A
66 Hexagon Head Bolt - Coarse Thread - Product Grades A and B [JIS]
JIS B 1180 (ISO4014) - 2014 		Hexagon Head Bolt - Coarse Thread - Product Grades A and B
67 Plain Hexagon Head Screws [BS]
BS 1981 - 1991 		Plain Hexagon Head Screws
68 Hexagon Head Bolts, Regular [Annex Attached Table 1.3] [JIS]
JIS B 1180 (AT1.3) - 1994 		Hexagon Head Bolts, Regular [Annex Attached Table 1.3]
69 Hexagon Head Bolts, Semifinished [Annex Attached Table 1.2] [JIS]
JIS B 1180 (AT1.2) - 1994 		Hexagon Head Bolts, Semifinished [Annex Attached Table 1.2]
70 ISO Metric Hexagon Head Bolts - Faced Under Head or Faced Under Head and Turned on Shank [Table 6] [BS]
BS 4190 - 2014 		ISO Metric Hexagon Head Bolts - Faced Under Head or Faced Under Head and Turned on Shank [Table 6]
71 Hexagon Head Bolt with B.S.Threads [Table 1] [BS]
BS 916 - 1953 		Hexagon Head Bolt with B.S.Threads [Table 1]
72 Hexagon Head Bolts - Product Grade B - Reduced Shank [NF]
NF E 25-113 - 1992 		Hexagon Head Bolts - Product Grade B - Reduced Shank
73 Hexagon Head Bolt, Pitch Diameter, Coarse Thread, Product Grade B [JIS]
JIS B 1180 (ISO4015) - 2014 		Hexagon Head Bolt, Pitch Diameter, Coarse Thread, Product Grade B
74 Precision Hexagon Head Bolts - Washer Faced - B.S.W. & B.S.F. Threads [BS]
BS 1083 - 1965 		Precision Hexagon Head Bolts - Washer Faced - B.S.W. & B.S.F. Threads
75 Hexagon Head Bolts - Grade C [NF]
NF E 25-115-1 - 2001 		Hexagon Head Bolts - Grade C
76 Hexagon Head Bolts (Semi-finished) [Annex 1 Attached Table 1.2] [JIS]
JIS B 1180 (AT1.2) - 2004 		Hexagon Head Bolts (Semi-finished) [Annex 1 Attached Table 1.2]
77 Hexagon Head Machine Screws with B.S.W. & B.S.F. Threads [Table 9] [BS]
BS 450 - 1958 		Hexagon Head Machine Screws with B.S.W. & B.S.F. Threads [Table 9]
78 Hexagon Head Bolt and Hexagon Nut for Shackles, Forms BB and SB [JIS]
JIS B 2801 - 1996 		Hexagon Head Bolt and Hexagon Nut for Shackles, Forms BB and SB
79 Plain Hexagon Head Screws [BS]
BS 1981 - 1991 		Plain Hexagon Head Screws
80 Metric Precision Hexagon Bolts [BS]
BS 3692 - 2014 		Metric Precision Hexagon Bolts
81 Hexagon Head Bolts - Reduced Shank - Product Grade B [GB]
GB 5784 - 1986 		Hexagon Head Bolts - Reduced Shank - Product Grade B
82 Hexagon Head Bolts, Finished [Annex Attached Table 1.1] [JIS]
JIS B 1180 (AAT1.1) - 1994 		Hexagon Head Bolts, Finished [Annex Attached Table 1.1]
83 Bolt, Hexagonal Head, for Tensile Application, ISO Thread-4g Class [NF]
NF L 22-145 - 1985 		Bolt, Hexagonal Head, for Tensile Application, ISO Thread-4g Class
84 Hexagon Bolts Faced Under Head, and Faced Under Head and Turned on Shank with B.S.Threads - Black [Table 2] [BS]
BS 916 - 1953 		Hexagon Bolts Faced Under Head, and Faced Under Head and Turned on Shank with B.S.Threads - Black [Table 2]
85 Hexagon Head Bolts - Product Grade C [GB]
GB /T 5780 - 2000 		Hexagon Head Bolts - Product Grade C
86 Hexagon Head Bolts - Product Grade C [GB]
GB 5780 - 1986 		Hexagon Head Bolts - Product Grade C
87 Iso Metric Black Hexagon Head Bolts [Table 10] [BS]
BS 4190 - 2001 		Iso Metric Black Hexagon Head Bolts [Table 10]
88 Unified Hexagon Head Faced Bolts [BS]
BS 1769 - 1951 		Unified Hexagon Head Faced Bolts
89 Metric Precision Hexagon Bolts [BS]
BS 3692 - 2001 		Metric Precision Hexagon Bolts
90 Hexagon Head Bolts - Product Grades A and B [NF]
NF E 25-112 - 2001 		Hexagon Head Bolts - Product Grades A and B
91 Effective Diameter Hexagon Head Bolts, Porduct Grade B, [Table 9] [JIS]
JIS B 1180 (ISO 4015) - 1994 		Effective Diameter Hexagon Head Bolts, Porduct Grade B, [Table 9]
92 Hexagon Head Bolts, Product Grade A [Table 3] [JIS]
JIS B 1180 (ISO 4014) - 1994 		Hexagon Head Bolts, Product Grade A [Table 3]
93 Hexagon Head Bolts - Product Grade C [GB]
GB /T 5780 - 2016 		Hexagon Head Bolts - Product Grade C
94 Hexagon Cap Screw, Partially Threaded Shank, ISO Metric Coarse Thread Pitch - Product Grade A [UNI]
UNI 5737 - 1977 		Hexagon Cap Screw, Partially Threaded Shank, ISO Metric Coarse Thread Pitch - Product Grade A
95 Hexagon Head Bolts [NF]
NF E 27-711 - 1982 		Hexagon Head Bolts
96 ISO Metric Hexagon Head Bolts - Faced Under Head or Faced Under Head and Turned on Shank [Table 11] [BS]
BS 4190 - 2001 		ISO Metric Hexagon Head Bolts - Faced Under Head or Faced Under Head and Turned on Shank [Table 11]
97 Hexagon Head Bolts [GOST]
GOST 53664 - 2009 		Hexagon Head Bolts
98 Hexagon Head Bolts - Product Grade B-Reduced Shank (Shank Diameter ≈ Pitch Diameter) [GOST]
GOST R 50791 - 1995 		Hexagon Head Bolts - Product Grade B-Reduced Shank (Shank Diameter ≈ Pitch Diameter)
99 Hexagon Head Screws - Product Grade C [GOST]
GOST 50794 - 1995 		Hexagon Head Screws - Product Grade C
100 Hexagon Head Bolts - Product Grades A and B [GOST]
GOST R 50796 - 1995 		Hexagon Head Bolts - Product Grades A and B