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大六角頭螺釘(統一螺紋) BS 1769 - 1951

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尺寸單位: inch

英標BS 1769 - 1951 BS1769 1769BS 大六角頭螺釘(統一螺紋)

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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號等級

螺紋規格
d

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P	UNC
P	UNF
s	最大值
s	最小值
e	最大值
k	最大值
k	最小值
R	最大值

13	11	10	9	8	7	7	6	6	5	4-1/2
20	18	16	14	12	12	12	12	12	-	-
0.875	1.0625	1.25	1.4375	1.625	1.8125	2	2.1875	2.375	2.75	3.125
0.855	1.0375	1.225	1.4075	1.595	1.7825	1.955	2.1425	2.33	2.69	3.065
1.01	1.23	1.44	1.66	1.88	2.09	2.31	2.53	2.74	3.18	3.61
0.426	0.522	0.618	0.714	0.778	0.874	0.97	1.065	1.161	1.352	1.482
0.386	0.478	0.57	0.662	0.722	0.814	0.906	0.997	1.089	1.272	1.394
1/32	1/16	1/16	1/16	1/16	1/8	1/8	1/8	1/8	1/8	1/8

①,螺紋：
對于頭下鍛造（車削）的螺栓（螺釘）以及鍛造螺母，螺紋應使用【BS 1580】中的統一粗牙螺紋（UNC）。
對于頭下車削且桿部機加工的螺栓（螺釘）和機加工螺母，螺紋可由采購方指定采用【BS 1580】中的粗牙螺紋（UNC）或細牙螺紋（UNF）。

同版本產品組 (8)

BS 1769 - 1951

粗制大六角開槽螺母(統一螺紋) - 單面倒角

粗制大六角開槽螺母(統一螺紋) - 兩面倒角

引用參考 (14)

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 3098.25 - 2020

緊固件機械性能不銹鋼和鎳合金緊固件選用指南

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 12603 - 2005

金屬熱處理工藝分類及代號

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)

鍍鋅、鍍鎳、鍍鎘、復合鍍等層鍍層鹽霧腐蝕的防護性能

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

GB /T 1172 - 1999

黑色金屬硬度及強度換算值

螺栓、螺釘和螺柱性能等級及常用牌號及近似牌號（按GB/T3098.1-2010相關規定選擇）非合金鋼和低合金鋼和鑄鋼的硬度值轉換表

注：技術數據僅供參考，請以官方原件為準！

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9	[國標] GB /T 5781 - 1986	六角頭螺栓 - 全螺紋 - C級 Hexagon Head Bolts - Full Thread - Product Grade C 供應商(3)
10	[國標] GB 5783 - 1986	六角頭螺栓全螺紋 A級和B級 Hexagon Head Bolts - Full Thread - Product Grade A and B 供應商(16)
11	[國標] GB 5786 - 1986	六角頭螺栓細牙全螺紋 Hexagon Head Bolts with Fine Pitch Thread - Full Thread 供應商(5)
12	[德標] DIN 933 - 1987	全螺紋六角頭螺栓 A級和B級 Hexagon Head Screws Threaded Up To The Head - Product Grades A and B 供應商(15)
13	[德標] DIN 34810 - 2018	塑料全螺紋六角頭螺釘 Plastic Hexagon Head Screws
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15	[德標] DIN 558 - 1987	C級全螺紋六角頭螺釘 Hexagon Head Screws - Product Grade C
16	[國際] ISO 4017 - 2022	六角頭螺釘 A級和B級 Hexagon Head Screws - Product Grades A and B 供應商(5)
17	[國際] ISO 4017 - 2014	六角頭螺釘.產品等級 A和B Hexagon Head Screws - Product Grade A and B 供應商(5)
18	[國際] ISO 4017 - 2011	六角頭螺釘.產品等級 A和B Hexagon Head Screws with Full Thread - Product Grade A and B 供應商(5)
19	[國際] ISO 4017 - 1999	六角頭螺釘.產品等級 A和B Hexagon Head Screws - Product Grade A and B 供應商(5)
20	[國際] ISO 4017 - 1988	六角頭螺釘產品等級 A和B Hexagon Head Screws - Product Grade A and B 供應商(5)
21	[國際] ISO 4018 - 2022	六角頭螺釘產品等級C Hexagon Head Screws - Product Grade C
22	[國際] ISO 4018 - 2011	六角頭螺釘.產品等級C Hexagon Head Screws - Product Grade C
23	[國際] ISO 4018 - 1999	六角頭螺釘.產品等級C Hexagon Head Screws-Product Grade C
24	[日標] JIS B 1180 (ISO4017) - 2014	六角頭螺栓全牙產品等級：A和B級 [Figure 4] Hexagon Head Screw Bolt, Coarse, Product Grades A and B 供應商(1)
25	[日標] JIS B 1180 (ISO 4017) - 1994	六角頭螺栓全螺紋產品等級：A級 [Table 5] Hexagon Head Bolts, Continuous Thread, Procuct Grade A [Table 5] 供應商(1)
26	[日標] JIS B 1180 (ISO4018) - 2014	六角頭螺栓全牙產品等級：C級 [Figure 5] Hexagon Head Screw Bolt, Coarse, Product Grade C
27	[日標] JIS B 1180 (ISO8676) - 2014	六角頭螺栓細牙全螺紋產品等級：A級和B級 [Figure 6] Hexagon Head Screw Bolt, Fine Thread, Product Grade A and B
28	[日標] JIS B 1180 (ISO 8676) - 1994	六角頭螺栓全螺紋產品等級：B級 [Table 6] Hexagon Head Bolts, Continuous Thread, Product Grade B [Table 6]
29	[日標] JIS B 1180 (ISO 4018) - 1994	六角頭螺栓全牙產品等級：C級 [Table 8] Hexagon Head Bolts, Continuous Thread, Product Grade C [Table 8]
30	[歐標] EN 24017 - 1991	六角頭螺釘產品等級：A級和B級 Hexagon Head Screws - Product Grades A and B
31	[歐標] EN 24018 - 1991	六角頭螺釘產品等級：C級 Hexagon Head Screws - Product Grade C
32	[意大利] UNI 5739 - 1965	六角頭螺栓 Hexagon Head Bolts 供應商(1)
33	[意大利] UNI 6421 - 1969	全螺紋六角頭螺栓 Hexagon Screws for Manufacture of Railway and Tramway Rolling Stock - ISO Metric Coarse Thread - Finish A
34	[法國] NF E 25-114 - 2001	A級和B級六角頭螺栓 Hexagon Head Bolts - Product Grades A and B
35	[法國] NF E 25-115-2 - 2001	C級全螺紋六角頭螺釘 Hexagon Head Screws - Full Thread - Product Grade C
36	[英標] BS 1083 - 1965	精制六角頭螺釘, 墊圈面, 全牙 - B.S.W. & B.S.F.英制螺紋 Precision Hexagon Head Screws - Washer Faced - B.S.W. & B.S.F. Threads 供應商(1)
37	[英標] BS 4190 (T6) - 2014	六角頭粗制螺釘 - 僅支承面車削 [Table 6] Iso Metric Hexagon Head Screws Faced Under Head Only [Table 6]
38	[英標] BS 4190 (T5) - 2014	六角頭粗制螺釘 [Table 5] ISO Metric Black Hexagon Head Screws [Table 5]
39	[英標] BS 4190 (T11) - 2001	六角頭粗制螺釘 - 僅支承面車削 [Table 11] ISO Metric Hexagon Head Screws Faced Under Head Only [Table 11]
40	[英標] BS 4190 (T10) - 2001	六角頭粗制螺釘 [Table 10] ISO Metric Black Hexagon Head Screws [Table 10]
41	[英標] BS 1981 - 1991	六角頭機械螺釘 Table 16 Hexagon Head Screws
42	[英標] BS 1768 - 1963	精制美制六角頭螺釘 Unified Hexagon Head Screws, Washer Faced
43	[英標] BS 916 - 1953	英制六角頭全螺紋螺釘 - 粗制 - 鐓鍛 [Table 1] Hexagon Head Screws with B.S.Threads [Table 1]
44	[英標] BS 916 - 1953	英制六角頭全螺紋螺釘 - 粗制 - 車削支承面 [Table 2] Hexagon Screws Faced Under Head with B.S.Threads - Black [Table 2]
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48	[澳標] AS /NZS 2465 - 1999 (R2016)	美制六角螺釘 - UNC, UNF螺紋 Hexagon Screws (UNC and UNF threads)
49	[澳標] AS /NZS 2451 - 1998	英制螺紋六角頭螺釘 Screws with British Standard Whitworth Threads (rationalized series)
50	[澳標] AS /NZS 1427 - 1996	米制凹穴六角頭機械螺釘 [Table 6] ISO Metric Indented Hexagon Head Screws [Table 6]
51	[臺灣] CNS 3122 - 2001	全螺紋六角頭螺栓 Hexagon Bolts with Thread up to Head, Finished and Semi-Finished
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53	[俄標] GOST P ISO 4017 - 2013	六角頭螺栓 A級和B級 Hexagon Head Screws - Product Grades A and B
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55	[俄標] GOST R 50793 - 1995	六角頭全螺紋螺釘——產品等級 A 級, B 級 Hexagon Head Screws with Threading Up To Head, Product Grades A and B
56	[韓標] KS B 1002 (T5) - 2001	A級全螺紋六角頭螺栓 Table 5 Hexagon Head Bolts-Full Thread - Grade A [Table 5]
57	[韓標] KS B 1002 (T6) - 2001	B級全螺紋六角頭螺栓 Table 6 Hexagon Head Bolts-Full Thread - Grade B [Table 6]
58	[韓標] KS B 1002 (T7) - 2001	C級全螺紋六角頭螺栓 Table 7 Hexagon Head Bolts-Full Thread - Grade C [Table 7]
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60	[德標] DIN EN 24018 - 1992	六角頭螺釘產品等級：C級 Hexagon Head Screws - Product Grade C
61	[德標] DIN EN ISO 4017 - 2022	六角頭螺釘 A級和B級 Hexagon Head Screws - Product Grades A and B 供應商(1)
62	[德標] DIN EN ISO 4017 - 2014	六角頭螺栓（全螺紋）— A級 / B級 Hexagon Head Screws - Product Grades A and B 供應商(1)
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64	[德標] DIN EN ISO 4018 - 2022	六角頭螺釘產品等級C Hexagon Head Screws - Product Grade C
65	[德標] DIN EN ISO 4018 - 2011	六角頭全螺紋螺釘——產品等級 C 級 Hexagon Head Screws - Product Grade C
66	[德標] DIN EN ISO 4018 - 2001	六角頭螺釘.產品等級C Hexagon Head Screws - Product Grade C
67	[印標] IS 1363 (-2) - 2002	C級六角頭全牙螺栓（M5-M64） Hexagon Head Screws (Size Range M5 to M64), Product Grade C
68	[印標] IS 1364 (-2) - 2002	六角頭全牙螺栓（M1.6 - M64）A級 B級 Hexagon Head Screws (Size Range M1.6 - M64)
69	[航天] QJ 2581 (A) - 2011	鈦合金六角頭全螺紋螺栓 Hexagon Head Bolts with Thread To Head in Titanium Alloys
70	[航天] QJ 2581 - 1993	鈦合金六角頭全螺紋螺栓 Hexagon Head Bolts with Thread to Head in Titanium Alloys
71	[航空] HB 8334 - 2015	六角頭螺釘 GH4169鍍銀螺紋公差帶4g6gMJ螺紋 Screw, Hexagon-Head, MJ Thread, Thread Tolerance 4g6g, Silver Plating, GH4169

標準編號 / Standard Code： BS 1769 - 1951
中文名稱 / Chinese Name： 大六角頭螺釘(統一螺紋)
英文名稱 / English Name： Unified Hexagon Head Screws - Heavy Series
數據來源 / Data Source： 易緊通 YJT Fastener Database（164580.com）
中文頁面 / Chinese Page： 查看中文頁面
English Page： View English Page

Data Source: YJT Fastener Database (164580.com)
Standard: BS 1769 - 1951
Chinese Name: 大六角頭螺釘(統一螺紋)
English Name: Unified Hexagon Head Screws - Heavy Series
Chinese URL: Chinese Source Page
English URL: English Source Page
License: Commercial reuse, redistribution, or AI training usage requires authorization.