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| ①,頭部錐度:頭部最大對(duì)邊寬度和對(duì)角寬度均不得超過。自支承面起測量的實(shí)際頭部高度25%至75%區(qū)間內(nèi),任何橫截面的對(duì)邊寬度和對(duì)角寬度均不得小于最小對(duì)邊寬度和對(duì)角寬度 ②,承載面: 允許存在橫跨承載面的模具接縫。承載面與釘體軸線的垂直度公差要求為:1英寸及更小規(guī)格允許3°偏差,大于1英寸規(guī)格允許2°偏差。垂直度測量需避開模具接縫區(qū)域。當(dāng)采購方指定時(shí),必須去除模具接縫。機(jī)加工完成后,必須滿足承載面和釘頭規(guī)定的所有尺寸與幾何形狀要求。 ③,桿部直徑: 頭部下方的任何凸起、毛邊或桿體上的模具接縫均不得超出螺栓公稱直徑下述值: (a) 尺寸為1/2英寸及以下時(shí),最大超出量0.030英寸; (b) 尺寸超過1/2英寸至3/4英寸時(shí),最大超出量0.050英寸; (c) 尺寸超過3/4英寸至1 1/4英寸時(shí),最大超出量0.060英寸。 ④,縮徑桿體: 可提供桿徑縮小的螺釘。當(dāng)指定縮徑桿體時(shí),桿體直徑應(yīng)在螺紋加工前縮減至光桿直徑,且頭部下方需保留完整桿徑的肩部。 ⑤,螺紋長度:最小螺紋長度應(yīng)等于公稱螺釘長度的一半加0.50英寸,或6英寸,以較短者為準(zhǔn)。對(duì)于不符合公式計(jì)算螺紋長度的過短螺釘,應(yīng)盡可能將螺紋加工至靠近頭部或軸肩的位置。 ⑥,材料:每種方頭螺釘?shù)臉?biāo)識(shí)中均應(yīng)包含材料標(biāo)準(zhǔn),且僅需滿足指定材料標(biāo)準(zhǔn)的化學(xué)要求。除非另有規(guī)定,否則材料標(biāo)準(zhǔn)應(yīng)為如下:(a) 碳鋼:ASTM A307,A級(jí);(b) 不銹鋼:ASTM F593,第1組,條件CW(304);(c) 有色金屬材料:ASTM F468。 | 
類似標(biāo)準(zhǔn)及供貨信息
| 1 |   | [國標(biāo)] GB 102 - 1986 | 六角頭木螺釘 Hexagon Head Wood Screws | 
| 2 |   | [德標(biāo)] DIN 571 - 2016 | 六角頭木螺釘 Hexagon Head Wood Screws 供應(yīng)商(3) | 
| 3 |   | [德標(biāo)] DIN 571 - 2010 | 六角頭木螺釘 Hexagon Head Wood Screws 供應(yīng)商(3) | 
| 4 |   | [德標(biāo)] DIN 571 - 2008 | 六角頭木螺釘 Hexagon Head Wood Screws 供應(yīng)商(3) | 
| 5 |   | [德標(biāo)] DIN 571 - 1986 | 六角頭木螺釘 Hexagon Head Wood Screws 供應(yīng)商(3) | 
| 6 |   | [美標(biāo)] ASME/ANSI B 18.2.3.8M - 1981 (R1999) | 米制六角頭木螺釘 Metric Hexagon Lag Screws | 
| 7 |   | [意大利] UNI 704 | 六角頭木螺釘 Hexagon Head Wood Screws | 
| 8 |   | [法國] NF E 25-607 - 1985 | 六角頭木螺釘 Woodscrews-Hexagon Lag Screws - Symbol H | 
| 9 |   | [法國] NF E 25-608 - 1985 | 方頭木螺釘 Square Head Wood Screws | 
| 10 |   | [澳標(biāo)] AS /NZS 1393 - 1996 | 米制六角頭木螺釘 Coach Screws - Metric Series with ISO Hexagon Heads | 
| 11 |   | [鐵道部] TB /T 3049 - 2002 | 螺紋道釘 | 
| 12 | ![方頭木螺釘 [Table 14] (ASTM A307 / F593 / F468 / A394)](http://img.164580.com/upload/48/pic/2024/12/20/1734685009558370577.jpg)  | [美標(biāo)] ASME B 18.2.1 (T14) - 2012 | 方頭木螺釘 [Table 14] (ASTM A307 / F593 / F468 / A394) Square Lag Screws [Table 14] (ASTM A307 / F593 / F468 / A394) | 
| 13 | ![方頭木螺釘 [Table 14]](http://img.164580.com/upload/48/pic/2024/12/20/1734685009558370577.jpg)  | [美標(biāo)] ASME B 18.2.1 (T14) - 2010 | 方頭木螺釘 [Table 14] Square Lag Screws [Table 14] | 
| 14 | ![六角頭木螺釘 [Table 15]](http://img.164580.com/upload/48/pic/2024/12/23/1734917663130838761.jpg)  | [美標(biāo)] ASME B 18.2.1 (T15) - 2010 | 六角頭木螺釘 [Table 15] Hex Lag Screws [Table 15] | 
| 15 | ![方頭木螺釘 [Table 8]](http://img.164580.com/upload/48/pic/2024/12/20/1734685009558370577.jpg)  | [美標(biāo)] ASME B 18.2.1 (T8) - 1996 | 方頭木螺釘 [Table 8] Square Lag Screws [Table 8] | 
| 16 | ![六角頭木螺釘 [Table 9]](http://img.164580.com/upload/48/pic/2024/12/23/1734917663130838761.jpg)  | [美標(biāo)] ASME B 18.2.1 (T9) - 1996 | 六角頭木螺釘 [Table 9] Hex Lag Screws [Table 9] |