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米制高強度大六角頭螺栓 Table 5 BS 4395-1 - 1969

選擇規格尺寸點擊↓

(M12)

M16

M20

M22

M24

M27

M30

M36

括号内尺寸為非優選

尺寸單位: mm

英标BS 4395-1 - 1969 BS4395-1 4395-1BS 米制高強度大六角頭螺栓 Table 5

掃一掃分享

單重計算公差公制螺紋極限尺寸米/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毛坯直徑

螺紋規格
d

(M12)

M16

M20

M22

M24

M27

M30

M36

P	螺距
d_s	最大值
d_s	最小值
s	最大值
s	最小值
e	最大值
e	最小值
k	最大值
k	最小值

1.75	2	2.5	2.5	3	3	3.5	4
12.7	16.7	20.84	22.84	24.84	27.84	30.84	37
11.3	15.3	19.16	21.16	23.16	26.16	29.16	35
22	27	32	36	41	46	50	60
21.16	26.16	31	35	40	45	49	58.8
25.4	31.2	36.9	41.6	47.3	53.1	57.7	69.3
23.70	29.30	35.03	39.55	45.20	50.85	55.37	66.44
8.45	10.45	13.9	14.9	15.9	17.9	20.05	24.05
7.55	9.55	12.1	13.1	14.1	16.1	17.95	21.95

①,螺紋長度 b：
當 L ≤ 125 mm 時，b = 2d + 6 mm ；
當 125 < L ≤ 200 mm 時，b = 2d + 12 mm ;
當 L ＞ 200 mm 時，b = 2d + 25 mm 。

螺釘推薦長度 L 表

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 12603 - 2005

金屬熱處理工藝分類及代号

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！

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