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開槽82°沉頭清根機械螺釘 (ASTM F837 / F468) ASME B 18.6.3 (H3A) - 2024

選擇規格尺寸點擊↓

10#

12#

1/4

5/16

3/8

7/16

1/2

ASME B 18.6.3 (H3A) - 2024 開槽82°沉頭清根機械螺釘 (ASTM F837 / F468)

尺寸單位: inch

美标ASME B18.6.3 (H3A) - 2024 ASME18.6.3 1 開槽82°沉頭清根機械螺釘 (ASTM F837 / F468)

模型下載替

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單重計算公差美制螺紋極限尺寸米/英制螺紋對照螺紋直徑與受力截面積最小破壞扭矩牌号等級

螺紋尺寸
d

10#

12#

1/4

5/16

3/8

7/16

1/2

d	公稱
PP
L ^②	詳見備注
d_k	最大值
	最小值
k	最大值
	最小值
n	最大值
	最小值
t	最大值
	最小值
α	最大值
	最小值

0.0600	0.0730	0.0860	0.0990	0.1120	0.1250	0.1380	0.1640	0.1900	0.2160	0.2500	0.3125	0.3750	0.4375	0.5000
/	64	56	48	40	40	32	32	24	24	20	18	16	14	13
1/8	1/8	1/8	1/8	3/16	3/16	3/16	1/4	5/16	3/8	7/16	1/2	9/16	5/8	3/4
0.112	0.137	0.162	0.187	0.212	0.237	0.262	0.312	0.362	0.412	0.477	0.597	0.717	0.760	0.815
0.096	0.120	0.144	0.167	0.191	0.215	0.238	0.285	0.333	0.380	0.442	0.556	0.670	0.715	0.765
0.025	0.031	0.036	0.042	0.047	0.053	0.059	0.070	0.081	0.092	0.107	0.134	0.161	0.156	0.156
0.018	0.023	0.028	0.033	0.038	0.043	0.048	0.058	0.068	0.078	0.092	0.116	0.140	0.133	0.130
0.023	0.026	0.031	0.035	0.039	0.043	0.048	0.054	0.060	0.067	0.075	0.084	0.094	0.094	0.106
0.016	0.019	0.023	0.027	0.031	0.035	0.039	0.045	0.050	0.056	0.064	0.072	0.081	0.081	0.091
0.011	0.014	0.016	0.019	0.022	0.024	0.027	0.032	0.037	0.043	0.050	0.062	0.075	0.072	0.072
0.007	0.009	0.011	0.012	0.014	0.016	0.017	0.021	0.024	0.028	0.032	0.041	0.049	0.045	0.046
82°	82°	82°	82°	82°	82°	82°	82°	82°	82°	82°	82°	82°	82°	82°
80°	80°	80°	80°	80°	80°	80°	80°	80°	80°	80°	80°	80°	80°	80°

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。
③,光杆直徑應不小于2A級螺紋最小中徑，并不大于公稱（基本）螺紋大徑。
④,機械螺釘的螺紋長度： 1）螺紋規格≤5#: 公稱長度≤3倍公稱直徑的應為滿扣產品，頭下螺紋肩距≤1倍螺距。公稱長度＞3倍公稱直徑到 1-1/8 in 的，允許頭下肩距最大不超過2倍螺距。若無其他規定，長螺釘的最小螺紋長度為1 in 。 2）螺紋規格≥6#: 公稱長度≤3倍公稱直徑的應為滿扣產品，頭下螺紋肩距≤1倍螺距。公稱長度＞3倍公稱直徑到 2 in 的，允許頭下螺紋肩距最大不超過2倍螺距。若無其他規定，長螺釘的最小螺紋長度為 1.5 in 。

替代列表

ASME/ANSI B 18.6.3 - 2010 ASME B 18.6.3T9 - 2013 ASME B 18.6.3H3A - 2024

長度公差

　　Machine screws can be made to any length, but they are generally produced in fractional length increments of 1/16 in. for screws up to 5/8 in. long, 1/8 in. for screws over 5/8 in. through 1-1/2 in. long, and 1/4 in. for screws over 1-1/2 in. long.

标稱螺釘尺寸的長度公差
标稱螺釘長度	螺紋規格
标稱螺釘長度	0000~00	0~12	1/4~3/4
≤1/2	-0.01	-0.02	-0.03
＞1/2,≤1	-0.02	-0.03	-0.03
＞1,≤2	/	-0.06	-0.06
＞2	/	-0.09	-0.09

引用參考

GB /T 1172 - 1999

黑色金屬硬度及強度換算值

GB /T 5267.1 - 2002

鍍鋅、鍍鎳、鍍镉、複合鍍等層鍍層鹽霧腐蝕的防護性能

GB /T 193 - 2003

普通螺紋（一般用途米制螺紋）- 直徑與螺距系列 (ISO 261: 1998, MOD)

GB /T 3106 - 2016

緊固件 - 螺栓、螺釘和螺柱 - 公稱長度和螺紋長度 (ISO 888:2012, MOD)

GB /T 3 - 1997

普通螺紋收尾、肩距、退刀槽和倒角 (ISO 3508:1976 / ISO 4755:1983)

GB /T 5779.1 - 2000

緊固件表面缺陷 - 螺栓、螺釘和螺柱 - 一般要求

GB /T 5779.3 - 2000

緊固件表面缺陷 - 螺栓、螺釘和螺柱 - 特殊要求

注：技術數據僅供參考，請以官方原件為準！

類似标準及供貨信息

1	[國标] GB /T 68 - 2016	開槽沉頭螺釘 Slotted Countersunk Flat Head Screws 供應商(6)
2	[國标] GB /T 68 - 2000	開槽沉頭螺釘 Slotted Countersunk Head Screws (Commen Head Style) 供應商(6)
3	[國标] GB 68 - 1985	開槽沉頭螺釘 Slotted Countersunk Head Screws 供應商(6)
4	[國标] GB 948 - 1988	開槽沉頭不脫出螺釘 Slotted Countersunk Head Screws with Waisted Shank
5	[美标] IFI 513 - 1982	米制開槽沉頭機械螺釘 Table 2 Metric Slotted Flat Countersunk Head Machine Screws
6	[德标] DIN 963 - 1990	開槽沉頭螺釘 Slotted Countersunk Head Screws 供應商(3)
7	[德标] DIN 7969 - 2017	鋼結構用帶六角螺母的開槽沉頭螺栓 Slotted countersunk head bolts with hexagon nut for steel structures
8	[德标] DIN 7969 - 1989	鋼結構用帶六角螺母的開槽沉頭螺栓 Slotted countersunk head screws for structural steel bolting for supply with or without nuts
9	[德标] DIN 8245 - 1972	開槽沉頭（平頭）螺釘 - 适用于精密機械；M0.4至M1.4 Slotted Countersunk (Flat) Head Screws for Fine Mechanics; M 0.4 to M 1.4
10	[國際] ISO 2009 - 2011	開槽沉頭螺釘（通用頭型） - 產品等級A級 Slotted Countersunk Flat Head Screws (Common Head Style) - Product Grade A
11	[國際] ISO 2009 - 1994	開槽沉頭螺釘（通用頭型） - 產品等級A級 Slotted Countersunk Flat Head Screws (common Head Style) - Product Grade A
12	[日标] JIS B 1116 - 2009	精密機械用開槽沉頭螺釘 Slotting Countersunk Head Screws For Fine Mechanics 供應商(1)
13	[日标] JIS B 1101 (T8) - 2017	開槽沉頭螺釘表8 Slotted Countersunk Head Screws - Table 8
14	[日标] JIS B 1101 (JA4) - 2017	開槽沉頭螺釘附表JA.4 Slotted Countersunk Head Screws - Table JA.4
15	[日标] JIS B 1101 (AAT2) - 1996	開槽沉頭螺釘附表2 [Annex Attached Table 2] Slotted Countersunk Head Screws [Annex Attached Table 2]
16	[日标] JIS B 1101 (AT3) - 1996	開槽沉頭螺釘表3 [Attached Table 3] Slotted Countersunk Head Screws [Attached Table 3]
17	[日标] JIS B 1179 (T1-1) - 1994	開槽沉頭螺栓 (精制) [Table 1-1] Slotted Flat Head Bolts, Fine Finished [Table 1-1]
18	[日标] JIS B 1179 (T1-2) - 1994	開槽沉頭螺栓 (粗制）[Table 1-2] Slotted Flat Head Bolts, Rough Finished [Table 1-2]
19	[美标] ASME/ANSI B 18.6.3 - 2010	80°開槽沉頭螺釘Table1 80° Slotted flat countersunk head machine screws
20	[美标] ASME/ANSI B 18.6.3 - 2010	100°開槽沉頭螺釘Table3 Slotted 100 deg flat countersunk head screws (machine screws only)
21	[美标] ASME/ANSI B 18.6.3 - 2010	緊公差100°開槽沉頭螺釘Table5 Close Tolerance 100 Degree Slotted Countersunk Head Screws
22	[美标] ASME/ANSI B 18.6.3 - 2010	80°開槽沉頭清根螺釘Table9 80° Slotted undercut 82-deg flat countersunk head machine screws
23	[美标] ASME/ANSI B 18.6.2 - 1998 (R2010)	開槽沉頭螺釘 [Table 1] (A307, SAE J429, F468, F593) Slotted Flat Countersunk Head Cap Screws [Table 1] (A307, SAE J429, F468, F593)
24	[美标] ASME/ANSI B 18.6.7M - 1998	米制開槽沉頭螺釘Table2 Metric soltted countersunk screws
25	[美标] ASME/ANSI B 18.11 - 1961 (R1983)	開槽100°沉頭小螺釘 [Table 3] Slotted 100°flat head miniature screws
26	[意大利] UNI 6109	開槽沉頭螺釘 Slotted countersunk flat head screws
27	[法國] NF E 25-123 - 1994	開槽沉頭螺釘 Slotted Countersunk Flat Head Screws - Product Grade A
28	[法國] NF F 03-004 (F) - 1983	鐵路車輛沉頭側切口機械螺釘 Railway rolling stock Grade A Countersunk notched head machine
29	[法國] NF F 03-016 - 1983	鐵路車輛開槽沉頭螺釘/螺母 A級符号FP Railway rolling stock Grade A Slotted countersunk head screws nuts Symbol FP
30	[英标] BS 1981 - 1991	開槽沉頭螺釘（短的）Table 6 Slotted Truncated Countersunk Head Screws: Short Length
31	[英标] BS 1981 - 1991	開槽沉頭螺釘Table4 Slotted Countersunk Flat Head Screws
32	[英标] BS 4183 (T2) - 1967	開槽沉頭機械螺釘 Slotted countersunk head machine screws. Metric series
33	[英标] BS 450 - 1958	英制開槽沉頭螺釘 - B.S.W. & B.S.F. 螺紋 [Table 2] Slotted 90°Countersunk Head Screws with B.S.W. & B.S.F. Threads [Table 2]
34	[澳标] AS /NZS 1427 - 1996	米制開槽沉頭螺釘 [Table 1] ISO metric slotted countersunk head screws [Table 1]
35	[台灣] CNS 9678 - 1982	精密機械用開槽沉頭螺釘 Slotted Countersunk Screws For Fine Mechanics
36	[台灣] CNS 4411 - 1981	開槽沉頭螺釘 Slotted Countersunk Head Screws
37	[台灣] CNS 4420 - 1981	開槽沉頭螺栓 Slotted Countersunk Head Bolts
38	[台灣] CNS 4363 - 1980	精密用開槽沉頭螺釘 M0.4～M1.4 Slotted Countersunk Head Screws For Fine Mechanics
39	[俄标] GOST 17475 - 1980	開槽沉頭螺釘 A級和B級 Countersunk head screws of accuracy classes A and B（Slotted）
40	[韓标] KS B 1021 (T5) - 2012 (R2022)	開槽沉頭螺釘【Table 5】 Slotted Countersunk Flat Head Screws【Table 5】
41	[德标] DIN EN ISO 2009 - 2011	開槽沉頭螺釘(通用頭型) A級 Slotted Countersunk Flat Head Screws(Common Head Style)-Product Grade A 供應商(3)
42	[軍标] GJB 3371 (/61) - 1998	光杆公差帶f9 100°沉頭螺栓 100° Countersunk Head Bolts，Shank Tolerance f9
43	[軍标] GJB 3372 (/36~/44) - 1998	100°開槽沉頭螺釘 Slotted 100 deg flat countersunk head screws
44	[軍标] GJB 3372 (/56) - 1998	100°沉頭不脫出螺釘 Slotted 100 deg flat countersunk head screws, Waisted shank
45	[印标] IS 1365 - 2005	開槽沉頭螺釘（通用頭型） - 產品等級A級 Slotted Countersunk Flat Head Screws (common Head Style) - Product Grade A
46	[美标] ANSI B 18.11 - 1961 (R2017)	開槽100°沉頭小螺釘 [Table 3] (A276, B16, B151) Slotted 100°Flat Head Miniature Screws [Table 3] (A276, B16, B151)
47	[美标] ASME B 18.6.3 (H1A) - 2024	82°開槽沉頭機械螺釘 (ASTM F837 / F468) 82° Slotted Flat Countersunk Head Machine Screws (ASTM F837 / F468)
48	[美标] ASME B 18.6.3 (H1C) - 2024	100°沉頭開槽機械螺釘 (ASTM F837 / F468) Slotted 100-deg Flat Countersunk Head Screws (ASTM F837 / F468)
49	[美标] ASME B 18.6.3 (H1E) - 2024	開槽精密100°沉頭機械螺釘 (ASTM F837 / F468) Slotted Close Tolerance 100-deg Flat Countersunk Head Screws (ASTM F837 / F468)
50	[美标] ASME B 18.6.3 (T1) - 2013	82°開槽沉頭機械螺釘 [Table 1] (ASTM F837 / F468) 82° Slotted Flat Countersunk Head Machine Screws [Table 1] (ASTM F837 / F468)
51	[美标] ASME B 18.6.3 (T3) - 2013	100°沉頭開槽機械螺釘 [Table 3] (ASTM F837 / F468) Dimensions of Slotted 100-deg Flat Countersunk Head Screws [Table 3] (ASTM F837 / F468)
52	[美标] ASME B 18.6.3 (T5) - 2013	開槽精密100°沉頭機械螺釘 [Table 5] (ASTM F837 / F468) Dimensions of Slotted Close Tolerance 100-deg Flat Countersunk Head Screws (Machine Screws Only) (ASTM F837 / F468)
53	[美标] ASME B 18.6.3 (T9) - 2013	開槽82°沉頭清根機械螺釘 [ Table 9 ] (ASTM F837 / F468) Slotted Undercut 82-deg Flat Countersunk Head machine Screws (ASTM F837 / F468)
54	[航天] QJ 2370 - 1992	開槽沉頭螺栓 Slotted countersunk head screws
55	[航天] QJ 2373 - 1992	開槽沉頭螺釘 Slotted countersunk head screws
56	[航空] HB 7187~7195 - 1995	100°開槽沉頭螺釘 100° Countersunk Head Bolts
57	[航空] HB 7208~7216 - 1995	100°開槽沉頭螺釘 Slotted 100 deg flat countersunk head screws