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| ①,頭部邊緣為倒圓或平的。 ②,小于等于表中長度的螺釘,為清根沉頭型。可用長度小于等于表列數(shù)值A(chǔ)B型清根頭型代替A型清根頭型。 ③,適用的螺釘類型標(biāo)記符號(hào)如下所示: ●AB型普通自攻螺釘,見表[Table 4.1.1.1-1] ◆ A型普通自攻螺釘,見表[Table 4.1.1.4-1] ▲ B型和BP型普通自攻螺釘見表[Table 4.1.1.2-1];BF和BT自切自攻螺釘見表[Table 4.1.2.1-1]; ■ C型普通自攻螺釘見表[Table VI-1];D,F(xiàn),G和T型自切自攻螺釘見表[Table 4.1.2.2-1];TRS型見表[Table 4.1.3-1] | 
Tapping screws can be made to any length, but they are generally produced in fractional length increments of 1/16 in. for screws up to 1/2 in. long, 1/8 in. for screws over 1/2 in. through 1-1/2 in. long, 1/4 in. for screws over 1-1/2 in. through 3 in. long, and 1/2 in. for screws over 3 in. long.
| 類型 | 標(biāo)稱螺釘長度 | 長度公差 | 
| A、AB、BP | ≤1 | ±0.03 | 
| >1 | ±0.05 | |
| B、BF、BT、C、D、F、G、T、TRS | ≤3/4 | -0.03 | 
| >3/4,≤1-1/2 | -0.05 | |
| >1-1/2 | -0.06 | 
類似標(biāo)準(zhǔn)及供貨信息
| 1 |   | [國標(biāo)] GB /T 5283 - 2017 | 開槽沉頭自攻螺釘 Slotted Countersunk(Flat)Head Tapping Screws | 
| 2 |   | [國標(biāo)] GB /T 5283 - 1985 | 開槽沉頭自攻螺釘 Slotted Countersunk Head Tapping Screws | 
| 3 |   | [美標(biāo)] IFI 502 - 1982 | 米制開槽沉頭自攻釘 Metric Slotted Countersunk Head Tapping Screws | 
| 4 |   | [德標(biāo)] DIN 7972 - 1990 | 開槽沉頭自攻釘 Slotted Countersunk Head Tapping Screws 供應(yīng)商(2) | 
| 5 |   | [國際] ISO 1482 - 2011 | 開槽沉頭自攻螺釘 Slotted Countersunk (Flat) Head Tapping Screws | 
| 6 |   | [國際] ISO 1482 - 1983 | 開槽沉頭自攻螺釘 Slotted Countersunk Head Tapping Screws | 
| 7 | ![開槽沉頭自攻釘 [表JA4]](http://img.164580.com/upload/48/pic/2024/03/26/1711434786190539445.jpg)  | [日標(biāo)] JIS B 1115 (JA4) - 2015 | 開槽沉頭自攻釘 [表JA4] Slotted Countersunk Head Tapping Screws [Table JA3] | 
| 8 | ![開槽沉頭自攻釘 [Table 6]](http://img.164580.com/upload/48/pic/2024/03/26/1711434786190539445.jpg)  | [日標(biāo)] JIS B 1115 (T6) - 2015 | 開槽沉頭自攻釘 [Table 6] Slotted Countersunk Head Tapping Screws [Table 6] | 
| 9 | ![開槽沉頭自攻釘 [表2]](http://img.164580.com/upload/48/pic/2024/03/26/1711434786190539445.jpg)  | [日標(biāo)] JIS B 1115 (T2) - 1996 | 開槽沉頭自攻釘 [表2] Slotted Countersunk Head Tapping Screws [Table 2] | 
| 10 | ![開槽沉頭自攻釘 [附表2]](http://img.164580.com/upload/48/pic/2024/03/26/1711434786190539445.jpg)  | [日標(biāo)] JIS B 1115 (AT2) - 1996 | 開槽沉頭自攻釘 [附表2] Slotted Countersunk Head Tapping Screws [Annex Table 2] | 
| 11 |   | [美標(biāo)] ASME/ANSI B 18.6.3 - 2010 | 80°開槽沉頭自攻釘 80° Machine Screw and Tapping Screw Nuts (Inch Seires) | 
| 12 |   | [法國] NF E 25-660 - 1994 | 開槽沉頭自攻螺釘 Slotted Countersunk Head Tapping Screws | 
| 13 | ![開槽80°沉頭自攻釘  [Table 8]](http://img.164580.com/upload/48/pic/2024/03/26/1711434786190539445.jpg)  | [英標(biāo)] BS 4174 - 1972 | 開槽80°沉頭自攻釘  [Table 8] Slotted 80°countersunk Head Self-Tapping Screws [Table 8] | 
| 14 | ![開槽80°沉頭清根自攻釘 [Table 10]](http://img.164580.com/upload/48/pic/2020/06/17/1592355339628248249.jpg)  | [英標(biāo)] BS 4174 - 1972 | 開槽80°沉頭清根自攻釘 [Table 10] Slotted 80° Truncated Countersunk Head Screws [Table 10] | 
| 15 |   | [澳標(biāo)] AS /NZS 4404 - 1996 | 米制開槽沉頭自攻螺釘 ISO Metric Slotted Countersunk Head Tapping Screws | 
| 16 |   | [臺(tái)灣] CNS 4303 - 2000 | 開槽沉頭自攻螺釘 Slotted Countersunk Head Tapping Screws | 
| 17 |   | [德標(biāo)] DIN EN ISO 1482 - 2011 | 開槽沉頭自攻釘 Slotted Countersunkhead Tapping Screws 供應(yīng)商(2) | 
| 18 |   | [美標(biāo)] ASME B 18.6.3 (H3A+T1A) - 2024 | 開槽82°沉頭清根自攻螺釘 82° Slotted Undercut 82-deg Flat Countersunk Head Tapping Screws | 
| 19 | ![82°開槽沉頭自攻螺釘 AB(ABR)型 [Table 1+Table 40]](http://img.164580.com/upload/48/pic/2024/03/26/1711434786190539445.jpg)  | [美標(biāo)] ASME B 18.6.3 (T1+T40) - 2013 | 82°開槽沉頭自攻螺釘 AB(ABR)型 [Table 1+Table 40] 82° Slotted Flat Coutersunk Head Tapping Screws - Type AB (ABR) [Table 1+Table 40] | 
| 20 | ![開槽82°沉頭清根自攻螺釘 [Table 9+Table40]](http://img.164580.com/upload/48/pic/2023/12/01/1701414237175228696.jpg)  | [美標(biāo)] ASME B 18.6.3 (T9+T40) - 2013 | 開槽82°沉頭清根自攻螺釘 [Table 9+Table40] 82° Slotted Undercut 82-deg Flat Countersunk Head Tapping Screws [Table 9] | 
| 21 | ![米制開槽沉頭自攻螺釘 [Table 8]](http://img.164580.com/upload/48/pic/2024/03/26/1711434786190539445.jpg)  | [美標(biāo)] ASME B 18.6.5M (T8) - 2000 (R2010) | 米制開槽沉頭自攻螺釘 [Table 8] Metric Slotted Countersunk Head Tapping Screws [Table 8] | 
| 22 | ![A型  開槽沉頭自攻螺釘 [Table 9]](http://img.164580.com/upload/48/pic/2024/03/26/1711434786190539445.jpg)  | [美標(biāo)] ASME B 18.6.4 - 1998 (R2005) | A型  開槽沉頭自攻螺釘 [Table 9] Slotted Flat Countersunk Head Tapping Screws - Type A | 
| 23 | ![B,BP型 開槽沉頭自攻螺釘 [Table 9]](http://img.164580.com/upload/48/pic/2020/06/08/1591578771435783931.jpg)  | [美標(biāo)] ASME B 18.6.4 - 1998 (R2005) | B,BP型 開槽沉頭自攻螺釘 [Table 9] Slotted Flat Countersunk Head Tapping Screws - Type B and BP | 
| 24 | ![C型 開槽沉頭自攻螺釘(統(tǒng)一螺紋) [Table 9]](http://img.164580.com/upload/48/pic/2020/06/08/1591592422282061138.jpg)  | [美標(biāo)] ASME B 18.6.4 - 1998 (R2005) | C型 開槽沉頭自攻螺釘(統(tǒng)一螺紋) [Table 9] Slotted Flat Countersunk Head Tapping Screws - Type C | 
| 25 | ![AB型 開槽沉頭自攻螺釘 [Table 9]](http://img.164580.com/upload/48/pic/2024/03/26/1711434786190539445.jpg)  | [美標(biāo)] ASME B 18.6.4 - 1998 (R2005) | AB型 開槽沉頭自攻螺釘 [Table 9] Slotted Flat Countersunk Head Tapping Screws - Type AB | 
| 26 | ![開槽沉頭清根自攻螺釘 B,BP型 [Table 13]](http://img.164580.com/upload/48/pic/2020/06/16/1592268709869073235.jpg)  | [美標(biāo)] ASME B 18.6.4 - 1998 (R2005) | 開槽沉頭清根自攻螺釘 B,BP型 [Table 13] Slotted Undercut Flat Countersunk Head Tapping Screws - Type B and BP Thread Forming [Table 13] | 
| 27 | ![開槽沉頭清根自攻螺釘 C型(統(tǒng)一螺紋) [Table 13]](http://img.164580.com/upload/48/pic/2020/06/17/1592353388442085500.jpg)  | [美標(biāo)] ASME B 18.6.4 - 1998 (R2005) | 開槽沉頭清根自攻螺釘 C型(統(tǒng)一螺紋) [Table 13] Slotted Undercut Flat Countersunk Head Tapping Screws - Type C Thread Forming [Table 13] | 
| 28 | ![開槽沉頭清根自攻螺釘 AB型 [Table 13]](http://img.164580.com/upload/48/pic/2020/06/17/1592355339628248249.jpg)  | [美標(biāo)] ASME B 18.6.4 - 1998 (R2005) | 開槽沉頭清根自攻螺釘 AB型 [Table 13] Slotted Undercut Flat Countersunk Head Tapping Screws - Type AB Thread Forming [Table 13] | 
| 29 | ![開槽100°沉頭自攻螺釘 B,BP型 [Table VI1]](http://img.164580.com/upload/48/pic/2024/03/26/1711434786190539445.jpg)  | [美標(biāo)] ASME B 18.6.4 - 1998 (R2005) | 開槽100°沉頭自攻螺釘 B,BP型 [Table VI1] Slotted 100° Flat Countersunk Head Tapping Screws - Type B and BP Thread Forming [Table VI1] | 
| 30 | ![開槽100°沉頭自攻螺釘 AB型 [Table VI1]](http://img.164580.com/upload/48/pic/2024/03/26/1711434786190539445.jpg)  | [美標(biāo)] ASME B 18.6.4 - 1998 (R2005) | 開槽100°沉頭自攻螺釘 AB型 [Table VI1] Slotted 100° Flat Countersunk Head Tapping Screws - Type AB Thread Forming [Table VI1] |