GB 8 - 1976 JIS B 1182 Square Head Bolts 12.9

• Customization: Available
• Material: High Strength Steel
• Type: Hexagon Head
• Model NO.: GB 8
• Connection: Common Bolt
• Head Style: Hexagonal
• Standard: DIN, ANSI, GB, JIS, GOST
• Grade: 8.8
• Application: Machinery, Chemical Industry, Environmental, Building
• Finish: Hot Galvanizing
• Product Name: Square Head Bolts
• Standard for Size: ASME B 18.2.1
• Standard Name: BS 916
• Material Grade: 8.8 10.9 A2 A4 660
• Diameter Range: M16 - M30
• Inch Diameter Range: 1/4" to 1 1/2"
• Transport Package: Pallet
• Specification: 25cm x 25cm x 15cm
• Trademark: GT
• Origin: Shanghai
• HS Code: 7318151090
• Production Capacity: 10000 Tons Per Year
• Package Size: 25.00cm * 25.00cm * 15.00cm
• Package Gross Weight: 25.000kg

Product Description

Product Details

 

Screw Thread
d

1/4

5/16

3/8

7/16

1/2

5/8

3/4

7/8

1

1-1/8

1-1/4

1-3/8

1-1/2

PP	UNC
ds	max
	min
s	Basic
	max
	min
e	max
	min
k	Basic
	max
	min
r	max
	min
b	L≤6
	L>6

20	18	16	14	13	11	10	9	8	7	7	6	6
0.260	0.324	0.388	0.452	0.515	0.642	0.768	0.895	1.022	1.149	1.277	1.404	1.531
0.237	0.298	0.36	0.421	0.482	0.605	0.729	0.852	0.976	1.098	1.223	1.345	1.47
3/8	1/2	9/16	5/8	3/4	15/16	1-1/8	1-5/16	1-1/2	1-11/16	1-7/8	2-1/16	2-1/4
0.375	0.500	0.562	0.625	0.750	0.938	1.125	1.312	1.500	1.688	1.875	2.062	2.250
0.362	0.484	0.544	0.603	0.725	0.906	1.088	1.269	1.450	1.631	1.812	1.944	2.175
0.53	0.707	0.795	0.884	1.061	1.326	1.591	1.856	2.121	2.386	2.652	2.917	3.182
0.498	0.665	0.747	0.828	0.995	1.244	1.494	1.742	1.991	2.239	2.489	2.738	2.986
11/64	13/64	1/4	19/64	21/64	27/64	1/2	19/32	21/32	3/4	27/32	29/32	1
0.188	0.220	0.268	0.316	0.348	0.444	0.524	0.620	0.684	0.780	0.876	0.940	1.036
0.156	0.186	0.232	0.278	0.308	0.400	0.476	0.568	0.628	0.720	0.812	0.872	0.964
0.03	0.03	0.03	0.03	0.03	0.06	0.06	0.06	0.09	0.09	0.09	0.09	0.09
0.01	0.01	0.01	0.01	0.01	0.02	0.02	0.02	0.03	0.03	0.03	0.03	0.03
0.750	0.875	1.000	1.125	1.250	1.500	1.750	2.000	2.250	2.500	2.750	3.000	3.250
1.000	1.125	1.250	1.375	1.500	1.750	2.000	2.250	2.500	2.750	3.000	3.250	3.500

 

 

Thread Rods and Stud Bolts

----DIN 976-1 Fasteners - Stud bolts - Part 1: Metric thread
----DIN 975   Threaded Rods
----ASME B 18.31.1M - 2008 (R2016) Metric Continuous-Thread Studs [Table 1] (ASTM F568, F738M, F468M)
----ASME B 18.31.2 - 2014  Continuous Thread Stud(A193 / A320 / A437 / A453/A540/A1014)(Inch Series) [Table 1]
----ASME B 18.31.3 - 2014  Inch Threaded Rod (F568M, A193/A193M, F738M, F468M)
 

Heavy Hex Bolts

----ASME B 18.2.6 - 2019  Heavy Hex Structural Bolts (ASTM F3125 / F3125M)
----ASME B 18.2.1 - 2012 [Table 3]  Heavy Hex Bolts [Table 3] (ASTM A307 / A394)
----ASME B 18.2.1 - 2012 [Table 7]  Heavy Hex Screws [Table 7] (ASTM A193 / A320 / A394)
----ASME/ANSI B 18.2.3.7M - 2006  Metric heavy hex structural bolts
----EN 14399 (-3 Bolt) - 2015  High-strength structural bolting assemblies for preloading - Part 3: System HR - Hexagon bolt assemblies
----EN 14399 (-4 Bolt) - 2005  High-strength structural bolting assemblies for preloading - Part 4: System HV - Hexagon bolt
 

Heavy Hex Nuts

----ASME B 18.2.2 - 2022 [Table 10]  Heavy Hex Flat Nuts and Heavy Hex Flat Jam Nuts [Table 10] (ASTM A563 / F594 / F467)
----ASME B 18.2.6 - 2019  Heavy Hex Nuts for Use With Structural Bolts (ASTM A563 / A194 / A194M)
----EN 14399 (-3 Nut) - 2015  High-strength structural bolting assemblies for preloading - Part 3: System HR - Hexagon nut assemblies
----EN 14399 (-4 Nut) - 2005  High-strength structural bolting assemblies for preloading - Part 4: System HV - Hexagon nut
 

Testing Equipment

Exhibition

F A Q

Q1: Are you a factory or a trading company?
A1: we are manufacturer

Q2: Where are your main customers located?
A2: Our customers are mainly from North America, Europe and Southeast Asia

Q3: How many years of foreign trade experience do you have?
A3: We have nearly 20 years of foreign trade experience

Q4: Do you have a minimum order quantity requirement?
A4: No, our company has a certain amount of inventory for regular products.