制造商和供应商 英制系列内六角紧定螺钉
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 specialized in set screws with socket and slot. Inches and metric sizes
Manufacturer of set screws in steel, stainless steel, brass and alloys.
Torx set screws, socket set screws ball point, knurled cup point, cone point, dog point.
Manufacturer of special cold and hot forged nuts and bolts: Metric, UNF, UNC, BSF & BSW (Whitworth) threadforms
One of the world''s largest manufactures of Alloy Steel Hexagon Socket Screws: Hex Socket Cap, Flat Head Sockets, Shoulder Screws, Button Head Sockets, Hex. Heads, Socket SET Screws.
技术数据
英制系列内六角紧定螺钉
本产品受以下标准管制：
Standard ASME B18.3 TABLE 5A
内六角螺钉，有平头、杯头、椭圆头、圆锥头和半狗头。
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Dimensions in mm - source ASMJE B18.3 Table 5A Publication date: 2003 |
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| D Nominal size or Basic screw Diameter | S nom | T min |
R nom oval point radius |
A cup end flat point diameters | P | Q | |||||||||||||
| Diameter | Length | ||||||||||||||||||
| max | min | max | min | max | min | ||||||||||||||
| 0 | 0.028 | 0.050 | 0.045 | 0.033 | 0.027 | 0.040 | 0.037 | 0.017 | 0.013 | ||||||||||
| 1 | 0.035 | 0.060 | 0.055 | 0.040 | 0.033 | 0.049 | 0.045 | 0.021 | 0.01 | ||||||||||
| 2 | 0.035 | 0.060 | 0.064 | 0.047 | 0.039 | 0.057 | 0.053 | 0.024 | 0.20 | ||||||||||
| 3 | 0.050 | 0.070 | 0.074 | 0.054 | 0.045 | 0.066 | 0.062 | 0.027 | 0.023 | ||||||||||
| 4 | 0.050 | 0.070 | 0.084 | 0.061 | 0.051 | 0.075 | 0.070 | 0.030 | 0.026 | ||||||||||
| 5 | 0.062 | 0.080 | 0.094 | 0.067 | 0.057 | 0.083 | 0.078 | 0.033 | 0.27 | ||||||||||
| 5 | 0.062 | 0.080 | 0.094 | 0.067 | 0.057 | 0.065 | 0.87 | 0.038 | 0.032 | ||||||||||
| 6 | 0.062 | 0.080 | 0.104 | 0.074 | 0.064 | 0.092 | 0.087 | 0.038 | 0.032 | ||||||||||
| 6 | 0.062 | 0.080 | 0.104 | 0.074 | 0.064 | 0.092 | 0.087 | 0.038 | 0.032 | ||||||||||
| 8 | 0.078 | 0.090 | 0.123 | 0.087 | 0.076 | 0.109 | 0.103 | 0.043 | 0.037 | ||||||||||
| 10 | 0.094 | 0.100 | 0.142 | 0.102 | 0.088 | 0.127 | 0.120 | 0.049 | 0.041 | ||||||||||
| 1/4 | 0.125 | 0.125 | 0.188 | 0.132 | 0.118 | 0.156 | 0.149 | 0.067 | 0.059 | ||||||||||
| 5/16 | 0.156 | 0.156 | 0.234 | 0.172 | 0.156 | 0.203 | 0.195 | 0.082 | 0.074 | ||||||||||
| 3/8 | 0.188 | 0.188 | 0.281 | 0.212 | 0.194 | 0.250 | 0.141 | 0.099 | 0.089 | ||||||||||
| 7/16 | 0.219 | 0.219 | 0.328 | 0.252 | 0.232 | 0297 | 0.287 | 0.114 | 0.104 | ||||||||||
| 1/2 | 0.250 | 0.250 | 0.375 | 0.291 | 0.270 | 0.344 | 0.334 | 0.130 | .120 | ||||||||||
| 5/8 | 0.312 | 0.312 | 0.469 | 0.371 | 0.347 | 0.469 | 0.456 | 0.164 | 0.148 | ||||||||||
| 3/4 | 0.375 | 0.375 | 0.562 | 0.450 | 0.425 |
0.562 |
0.549 | 0.196 | 0.180 | ||||||||||
| 7/8 | 0.500 | 0.500 | 0.656 | 0.530 | 0.502 | 0.656 | 0.642 | 0.227 | 0.211 | ||||||||||
| 1 | 0.562 | 0.562 | 0.750 | 0.609 | 0.579 | 0.750 | 0.734 | 0.260 | 0.240 | ||||||||||
| 1-1/8 | 0.562 | 0.562 | 0.844 | 0.689 | 0.655 | 0.844 | 0.803 | 0.291 | 0.71 | ||||||||||
| 1-1/4 | 0.625 | 0.625 | 0.938 | 0.767 | 0.733 | 0.938 | 0.920 | 0.323 | 0.303 | ||||||||||
| 1-3/8 | 0.625 | 0.625 | 1.031 | 0.848 | 0.808 | 1.031 | 1.011 | 0.354 | 0.334 | ||||||||||
| 1-1/2 | 0.750 | 0.750 | 1.125 | 0.926 | 0.886 | 1.125 | 1.105 | 0.385 | 0.365 | ||||||||||
| 1-3/4 | 1.000 | 1.000 | 1.312 | 1.086 | 1.039 | 1.312 | 1.289 | 0.448 | 0.428 | ||||||||||
| 2 | 1.000 | 1.000 | 1.500 | 1.244 | 1.193 | 1.500 | 1.484 | 0.510 | 0.490 | ||||||||||
详细资料
英制系列内六角紧定螺钉
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尺寸（英寸）- 来源 ANSI B 18.3 表 5A |
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| 出版日期：2003 -重印日期：2008年 | |||||||||||||||
| D 基本螺纹尺寸 | D 螺纹尺寸（毫米） | 螺纹数量 x 英寸 | 螺纹数量 x 英寸 | 杯尖和平尖直径。 | 椭圆尖半径 | 锥尖角为 90°±2°（长度及以上）；118°±2°适用于较短的长度 | 半狗点 | T min | S nom | ||||||
| A max - min | R Basic | Y | |||||||||||||
| UNC | UNF | P 最大值-最小值 | Q nom | ||||||||||||
| N° 0 | 1.52 | - | 80 | 0.033-0.027 | 0.045 | 5/64 | 0.040-0.037 | 0.15 | 0.050 | 0.028 | |||||
| N° 1 | 1.85 | 64 | 72 | 0.040-0.033 | 0.055 | 3/32 | 0.049-0.045 | 0.019 | 0.060 | 0.035 | |||||
| N° 2 | 2.18 | 56 | 64 | 0.047-0.039 | 0.064 | 7/64 | 0.057-0.053 | 0.022 | 0.060 | 0.035 | |||||
| N° 3 | 2.51 | 48 | 56 | 0.054-0.045 | 0.074 | 1/8 | 0.066-0.062 | 0.025 | 0.070 | 0.050 | |||||
| N° 4 | 2.84 | 40 | 48 | 0.061-0.051 | 0.084 | 5/32 | 0.075-0.070 | 0.028 | 0.070 | 0.050 | |||||
| N° 5 | 3.18 | 40 | 44 | 0.067-0.057 | 0.094 | 3/16 | 0.083-0.078 | 0.030 | 0.080 | 1/16 | |||||
| N° 6 | 3.51 | 32 | 40 | 0.074-0.064 | 0.104 | 3/16 | 0.092-0.087 | 0.035 | 0.080 | 1/16 | |||||
| N° 8 | 4.17 | 32 | 36 | 0.087-0.076 | 0.123 | 1/4 | 0.109-0.103 | 0.040 | 0.090 | 5/64 | |||||
| N° 10 | 4.83 | 24 | 32 | 0.102-0.088 | 0.142 | 1/4 | 0.127-0.120 | 0.045 | 0.100 | 3/32 | |||||
| 1/4 | 6.35 | 20 | 28 | 0.132-0.111 | 0.188 | 5/16 | 5/32-0.19 | 1/16 | 0.125 | 1/8 | |||||
| 5/16 | 7.94 | 18 | 24 | 0.172-0.156 | 0.234 | 3/8 | 13/64-0.195 | 5/64 | 0.156 | 5/32 | |||||
| 3/8 | 9.53 | 16 | 24 | 0.212-0.194 | 0.281 | 7/16 | 1/4-0.241 | 3/32 | 0.188 | 3/16 | |||||
| 7/16 | 11.11 | 14 | 20 | 0.252-0.232 | 0.328 | 1/2 | 19/64-0.287 | 7/64 | 0.219 | 7/32 | |||||
| 1/2 | 12.7 | 13 | 20 | 0.291-0.270 | 0.375 | 9/16 | 11/32-0.334 | 1/8 | 0.250 | 1/4 | |||||
| 5/8 | 15.88 | 11 | 18 | 0.371-0.347 | 0.469 | 3/4 | 15/32-0.456 | 5/32 | 0.312 | 5/16 | |||||
| 3/4 | 19.05 | 10 | 16 | 0.450-0.425 | 0.562 | 7/8 | 9/16-0.549 | 3/16 | 0.375 | 3/8 | |||||
| 7/8 | 22.23 | 9 | 14 | 0.530-0.502 | 0.656 | 1 | 21/32-0.642 | 7/32 | 0.5 | 1/2 | |||||
| 1 | 25.4 | 8 | 12 | 0.609-0.579 | 0.75 | 1-1/8 | 3/4-0.734 | 1/4 | 0.562 | 9/16 | |||||
平头紧定螺钉主要用于需要经常复位的部件，因为它们对所贴靠的部件几乎不造成损坏。也可用于带有磨平平面的硬化轴，以获得更好的接触效果，并用作调节螺钉。
杯头紧定螺钉主要用于硬化轴、压铸件和其他无法承受高拧紧扭矩的软材料。
杯头紧定螺钉主要用于硬化轴、压铸件和其他无法承受高拧紧扭矩的软材料。
椭圆端紧定螺钉组用于频繁调整，且不会导致其所靠部件变形，也可用于将其固定在有角度的表面上。
锥端紧定螺钉用于零件的永久定位。深穿透可提供最高的轴向和扭转保持力。
半狗端紧定螺钉用于将一个零件永久定位到另一个零件上。螺钉尖通常位于轴上钻孔中或轴上铣削的平面上。