制造商和供应商 方头螺栓，英制系列
本产品受以下标准管制：
供应商完整名单
Founded in 1969, Buora D.P.U. is a distributor certified following ISO 9001.
The company offers the complete range of high strength fasteners, ready on stock, both coarse and fine pitches with metric and inch threads.
Distributor of prestigious brands such as UNBRAKO and NORD-LOCK, for Buora D.P.U. the service always comes first, therefore there is not minimum quantity required.
Distributor of inch sized fasteners, oil and gas fasteners and turned special screws
International manufacturer of high quality fixings and fasteners, active since 50 years. We have a variety of nuts, bolts, washers, screws, threaded bars, clamps, rivets, wire ropes, nails and raw material in M.S. S.S 316, 304 grades and brass.
Distributor of fasteners for the industrial distribution market. We aim to create the best customer experience possible by putting our customers’ needs first. With a wide range of products and services, we provide customers with more options, making managing their fastener program easier.
We offer logistics and inventory management and integrated supply chain management services covering a wide market of OEM fasteners (KanBan), MRO and Personal Protective Equipment (Vending Machine).
Manufacturer of special cold and hot forged nuts and bolts: Metric, UNF, UNC, BSF & BSW (Whitworth) threadforms
技术数据
方头螺栓，英制系列
本产品受以下标准管制：
Standard ASME B18.2.1 TABLE 1
|
Dimensions in inches (1 inch=25.4 mm) source ASME B18.2.1 - Square Head Bolts Table 1 |
||||||||
| Publication date: 2010 | ||||||||
|
d Thread size
|
UNC (nr of threads x inch) | UNF (nr of threads x inch) |
H basic
|
E min |
b (l< 6')
|
b (l> 6')
|
F basic
|
G basic |
|
1/4
|
20 | 28 | 11/64 | 0.237 | 0.75 | 1 | 3/8 | 0.498 |
|
5/16
|
18 | 24 | 13/64 | 0.298 | 0.875 | 1.125 | 1/2 | 0.665 |
|
3/8
|
16 | 24 | 1/4 | 0.360 | 1 | 1.25 | 9/16 | 0.747 |
|
7/16
|
14 | 20 | 18/64 | 0.421 | 1.125 | 1.375 | 5/8 | 0.828 |
|
1/2
|
13 | 20 | 21/64 | 0.482 | 1.25 | 1.5 | 3/4 | 0.995 |
|
5/8
|
11 | 18 | 27/64 | 0.605 | 1.5 | 1.75 | 15/16 | 1.244 |
|
3/4
|
10 | 16 | 1/2 | 0.729 | 1.75 | 2 | 1 1/8 | 1.494 |
|
7/8
|
9 | 14 | 19/32 | 0.852 | 2 | 2.25 | 1 5/16 | 1.742 |
|
1
|
8 | 12 | 21/32 | 0.976 | 2.25 | 2.5 | 1 1/2 | 1.991 |
| 1 1/8 | 7 | 12 | 3/4 | 1.098 | 2.25 | 2.75 | 1 11/16 | 2.239 |
| 1 1/4 | 7 | 12 | 27/32 | 1.223 | 2.75 | 3 | 1 7/8 | 2.489 |
| 1 3/8 | 6 | 12 | 29/32 | 1.345 | 3 | 3.25 | 2 1/16 | 2.738 |
| 1 1/2 | 6 | 12 | 1 | 1.470 | 3.25 | 3.5 | 2 1/4 | 2.986 |
|
|||||||||
|
Dimensions in inches (1 inch=25.4 mm) source ASME B18.2.1 - Askew Head Bolts Table 6 |
|||||||||
| Publication date: 2010 | |||||||||
|
d Thread size
|
UNC (nr of threads x inch) |
UNF (nr of threads x inch) |
H1 min | H ref | E min |
LT (l< 6')
|
LT (l> 6')
|
G min
|
F basic
|
|
3/8
|
16 | 24 | 0.277 | 0.25 | 0.36 |
1
|
1.25
|
0.747 | 0.563 |
|
1/2
|
13 | 20 | 0.371 | 0.328 | 0.482 |
1.25
|
1.5
|
0.995 | 0.75 |
|
5/8
|
11 | 18 | 0.480 | 0.422 | 0.605 |
1.5
|
1.75
|
1.244 | 0.938 |
|
3/4
|
10 | 16 | 0.574 | 0.5 | 0.729 |
1.75
|
2
|
1.494 | 1.125 |
|
7/8
|
9 | 14 | 0.683 | 0.594 | 0.852 |
2
|
2.25
|
1.742 | 1.313 |
|
1
|
8 | 12 | 0.761 | 0.656 | 0.976 |
2.25
|
2.5
|
1.991 | 1.5 |
Standard ASME B18.2.1 TABLE 4
斜头螺栓
|
Dimensions in inches (1 inch=25.4 mm) source ASME B18.2.1 - Askew Head Bolts Table 6 |
|||||||||
| Publication date: 2010 | |||||||||
|
d Thread size
|
UNC (nr of threads x inch) |
UNF (nr of threads x inch) |
H1 min | H ref | E min |
LT (l< 6')
|
LT (l> 6')
|
G min
|
F basic
|
|
3/8
|
16 | 24 | 0.277 | 0.25 | 0.36 |
1
|
1.25
|
0.747 | 0.563 |
|
1/2
|
13 | 20 | 0.371 | 0.328 | 0.482 |
1.25
|
1.5
|
0.995 | 0.75 |
|
5/8
|
11 | 18 | 0.480 | 0.422 | 0.605 |
1.5
|
1.75
|
1.244 | 0.938 |
|
3/4
|
10 | 16 | 0.574 | 0.5 | 0.729 |
1.75
|
2
|
1.494 | 1.125 |
|
7/8
|
9 | 14 | 0.683 | 0.594 | 0.852 |
2
|
2.25
|
1.742 | 1.313 |
|
1
|
8 | 12 | 0.761 | 0.656 | 0.976 |
2.25
|
2.5
|
1.991 | 1.5 |
详细资料
方头螺栓，英制系列