NPT-国家管螺纹锥度规格表，ANSI B1.20.1

NPT-国家管螺纹锥度规格表，ANSI B1.20.1,NPT管螺纹 - 尺寸符合ANSI / ASME B1.20.1

美国标准管螺纹锥度
管道尺寸（英寸）	每英寸螺纹数- 间距	螺纹近似长度（英寸）	t被切断的近似数	近似全螺纹结构,手和扳手（英寸）	标称外管径外径（英寸）	丝锥钻头（英寸）
1/16"	27				0.313
1/8"	27	3/8	10	1/4	0.405	R
1/4"	18	5/8	11	3/8	0.540	7/16
3/8"	18	5/8	11	3/8	0.675	37/64
1/2"	14	3/4	10	7/16	0.840	23/32
3/4"	14	3/4	10	1/2	1.050	59/64
1"	11-1/2	7/8	10	9/16	1.315	1-5/32
1-1/4"	11-1/2	1	11	9/16	1.660	1-1/2
1-1/2"	11-1/2	1	11	9/16	1.900	1-47/64
2"	11-1/2	1	11	5/8	2.375	2-7/32
2-1/2"	8	1 1/2	12	7/8	2.875	2-5/8
3"	8	1 1/2	12	1	3.500	3-1/4
3-1/2"	8	1 5/8	13	1 1/16	4.000	3-3/4
4"	8	1 5/8	13	1 1/16	4.500	4-1/4
4 1/2"	8				5.000	4-3/4
5"	8	1 3/4	14	1 3/16	5.563	5-9/32
6"	8	1 3/4	14	1 3/16	6.625	6-11/32
8"	8	1 7/8	15	1 5/16	8.625
10"	8	2	16	1 1/2	10.750
12"	8	2 1/8	17	1 5/8	12.750
14"	8				14.000
16"	8				16.000

NPT-国家管螺纹锥度规格表，ANSI B1.20.1 及其理论重量表

ANSI B1.1 标准统一螺栓螺纹粗牙系列和细牙系列规格表

UNC粗牙系列

公称直径 (in)	每英寸螺纹数	(英寸)直径 (中)	直径(毫米)	攻丝钻孔尺寸 (毫米)	螺距 (毫米)
1	64	0.073	1.854	1.50	0.397
2	56	0.086	2.184	1.80	0.453
3	48	0.099	2.515	2.10	0.529
4	40	0.112	2.845	2.35	0.635
5	40	0.125	3.175	2.65	0.635
6	32	0.138	3.505	2.85	0.794
8	32	0.164	4.166	3.50	0.794
10	24	0.190	4.826	4.00	1.058
12	24	0.216	5.486	4.65	1.058
1/4"	20	0.250	6.350	5.35	1.270
5/16"	18	0.313	7.938	6.80	1.411
3/8"	16	0.375	9.525	8.25	1.587
7/16"	14	0.438	11.112	9.65	1.814
1/2"	13	0.500	12.700	11.15	1.954
9/16"	12	0.563	14.288	12.60	2.117
5/8"	11	0.625	15.875	14.05	2.309
3/4"	10	0.750	19.050	17.00	2.540
7/8"	9	0.875	22.225	20.00	2.822
1"	8	1.000	25.400	22.85	3.175
1 1/8"	7	1.125	28.575	25.65	3.628
1 1/4"	7	1.250	31.750	28.85	3.628
1 3/8"	6	1.375	43.925	31.55	4.233
1 1/2"	6	1.500	38.100	34.70	4.233
1 3/4"	5	1.750	44.450	40.40	5.080
2"	4 1/2	2.000	50.800	46.30	5.644
2 1/4"	4 1/2	2.250	57.150	52.65	5.644
2 1/2"	4	2.500	63.500	58.50	6.350
2 3/4"	4	2.750	69.850	64.75	6.350
3"	4	3.000	63.500	71.10	6.350
3 1/4"	4	3.250	82.550	77.45	6.350
3 1/2"	4	3.500	88.900	83.80	6.350
3 3/4"	4	3.750	95.250	90.15	6.350
4"	4	4.000	101.600	96.50	6.350

UNF细牙系列

公称直径 (in)	每英寸螺纹数	(英寸)直径 (中)	直径(毫米)	攻丝钻孔尺寸 (毫米)	螺距 (毫米)
0	80	0.060	1.524	1.25	0.317
1	72	0.073	1.854	1.55	0.353
2	64	0.068	2.184	1.90	0.397
3	56	0.099	2.515	2.15	0.453
4	48	0.112	2.845	2.40	0.529
5	44	0.125	3.175	2.70	0.577
6	40	0.138	3.505	2.95	0.635
8	36	0.164	4.166	3.50	0.705
10	32	0.190	4.826	4.10	0.794
12	28	0.216	5.486	4.70	0.907
1/4"	28	0.250	6.350	5.50	0.907
5/16"	24	0.313	7.938	6.90	1.058
3/8"	24	0.375	9.525	8.50	1.058
7/16"	20	0.438	11.112	9.90	1.270
1/2"	20	0.500	12.700	11.50	1.270
9/16"	18	0.563	14.288	12.90	1.411
5/8"	18	0.625	15.875	14.50	1.411
3/4"	16	0.750	19.050	17.50	1.587
7/8"	14	0.875	22.225	20.40	1.814
1"	12	1.000	25.400	23.25	2.117
1 1/8"	12	1.125	28.575	26.50	2.117
1 1/4"	12	1.250	31.750	29.50	2.117
1 3/8"	12	1.375	43.925	32.75	2.117
1 1/2"	12	1.500	38.100	36.00	2.117

螺栓螺纹规格表

公制,英制螺栓螺纹规格表请选择条件: 标准: 分数螺钉尺寸公制,不钩选为英制的螺纹: 粗牙细牙

丝锥或

螺丝规格

直径 (in)

直径

(mm)

螺纹数

(TPI)

螺距

(mm)

金属孔内推荐钻孔尺寸

#0000-160	0.0210	0.5334	160	0.159	1/64 in
#000-120	0.0340	0.8636	120	0.212	#71
M1x0.2	0.0394	1.0000	~127	0.200	0.8 mm
M1x0.25	0.0394	1.0000	~102	0.250	0.75 mm
M1.1x0.25	0.0433	1.1000	~102	0.250	0.85 mm
M1.1x0.2	0.0433	1.1000	~127	0.200	0.9 mm
#00-90	0.0470	1.1938	90	0.282	#65
M1.2x0.2	0.0472	1.2000	~127	0.200	1 mm
M1.2x0.25	0.0472	1.2000	~102	0.250	0.95 mm
M1.4x0.2	0.0551	1.4000	~127	0.200	1.2 mm
M1.4x0.3	0.0551	1.4000	~85	0.300	1.1 mm
#0-80	0.0600	1.5240	80	0.318	3/64 in
M1.6x0.2	0.0630	1.6000	~127	0.200	1.4 mm
M1.6x0.35	0.0630	1.6000	~73	0.350	1.25 mm
M1.8x0.2	0.0709	1.8000	~127	0.200	1.6 mm
M1.8x0.35	0.0709	1.8000	~73	0.350	1.45 mm
#1-64	0.0730	1.8542	64	0.397	#52
#1-72	0.0730	1.8542	72	0.353	#53
M2x0.25	0.0787	2.0000	~102	0.250	1.75 mm
M2x0.4	0.0787	2.0000	~64	0.400	1.6 mm
#2-56	0.0860	2.1844	56	0.454	#50
#2-64	0.0860	2.1844	64	0.397	#50
M2.2x0.25	0.0866	2.2000	~102	0.250	1.95 mm
M2.2x0.45	0.0866	2.2000	~57	0.450	1.75 mm
M2.5x0.35	0.0984	2.5000	~73	0.350	2.1 mm
M2.5x0.45	0.0984	2.5000	~57	0.450	2.05 mm
#3-48	0.0990	2.5146	48	0.529	#47
#3-56	0.0990	2.5146	56	0.454	#45
#4-40	0.1120	2.8448	40	0.635	#43
#4-48	0.1120	2.8448	48	0.529	#42
M3x0.35	0.1181	3.0000	~73	0.350	2.6 mm
M3x0.5	0.1181	3.0000	~51	0.500	2.5 mm
#5-40	0.1250	3.1750	40	0.635	#39
#5-44	0.1250	3.1750	44	0.577	#37
M3.5x0.35	0.1378	3.5000	~73	0.350	3.1 mm
M3.5x0.6	0.1378	3.5000	~43	0.600	2.9 mm
#6-32	0.1380	3.5052	32	0.794	#36
#6-40	0.1380	3.5052	40	0.635	#33
M4x0.35	0.1575	4.0000	~73	0.350	3.6 mm
M4x0.5	0.1575	4.0000	~51	0.500	3.5 mm
M4x0.7	0.1575	4.0000	~37	0.700	3.3 mm
#8-32	0.1640	4.1656	32	0.794	#29
#8-36	0.1640	4.1656	36	0.706	#29
M4.5x0.5	0.1772	4.5000	~51	0.500	4 mm
M4.5x0.75	0.1772	4.5000	~34	0.750	3.8 mm
#10-32	0.1900	4.8260	32	0.794	#21
#10-24	0.1900	4.8260	24	1.058	#25
M5x0.5	0.1969	5.0000	~51	0.500	4.5 mm
M5x0.8	0.1969	5.0000	~32	0.800	4.2 mm
#12-24	0.2160	5.4864	24	1.058	#17
#12-28	0.2160	5.4864	28	0.907	#15
M5.5x0.5	0.2165	5.5000	~51	0.500	5 mm
M6x0.5	0.2362	6.0000	~51	0.500	5.5 mm
M6x0.75	0.2362	6.0000	~34	0.750	5.2 mm
M6x1	0.2362	6.0000	~26	1.000	5 mm
1/4-20	0.2500	6.3500	20	1.270	#7
1/4-28	0.2500	6.3500	28	0.907	#3
M7x0.75	0.2756	7.0000	~34	0.750	6.2 mm
M7x1	0.2756	7.0000	~26	1.000	6 mm
5/16-18	0.3125	7.9375	18	1.411	F
5/16-24	0.3125	7.9375	24	1.058	I
M8x0.5	0.3150	8.0000	~51	0.500	7.5 mm
M8x0.75	0.3150	8.0000	~34	0.750	7.2 mm
M8x1	0.3150	8.0000	~26	1.000	7 mm
M8x1.25	0.3150	8.0000	~21	1.250	6.8 mm
M9x0.75	0.3543	9.0000	~34	0.750	8.2 mm
M9x1	0.3543	9.0000	~26	1.000	8 mm
M9x1.25	0.3543	9.0000	~21	1.250	7.8 mm
3/8-24	0.3750	9.5250	24	1.058	Q
3/8-16	0.3750	9.5250	16	1.588	5/16 in
M10x0.75	0.3937	10.0000	~34	0.750	9.2 mm
M10x1.5	0.3937	10.0000	~17	1.500	8.5 mm
M10x1.25	0.3937	10.0000	~21	1.250	8.8 mm
M10x1	0.3937	10.0000	~26	1.000	9 mm
M11x0.75	0.4331	11.0000	~34	0.750	10.2 mm
M11x1	0.4331	11.0000	~26	1.000	10 mm
M11x1.5	0.4331	11.0000	~17	1.500	9.5 mm
7/16-14	0.4375	11.1125	14	1.814	U
7/16-20	0.4375	11.1125	20	1.270	25/64 in
M12x1.5	0.4724	12.0000	~17	1.500	10.5 mm
M12x1.75	0.4724	12.0000	~15	1.750	10.2 mm
M12x0.75	0.4724	12.0000	~34	0.750	11.25 mm
M12x1	0.4724	12.0000	~26	1.000	11 mm
M12x1.25	0.4724	12.0000	~21	1.250	10.8 mm
1/2-20	0.5000	12.7000	20	1.270	29/64 in
1/2-13	0.5000	12.7000	13	1.954	27/64 in
M14x1.5	0.5512	14.0000	~17	1.500	12.5 mm
M14x1.25	0.5512	14.0000	~21	1.250	12.8 mm
M14x1	0.5512	14.0000	~26	1.000	13 mm
M14x2	0.5512	14.0000	~13	2.000	12 mm
9/16-18	0.5625	14.2875	18	1.411	33/64 in
9/16-12	0.5625	14.2875	12	2.117	31/64 in
M15x1	0.5906	15.0000	~26	1.000	14 mm
M15x1.5	0.5906	15.0000	~17	1.500	13.5 mm
5/8-18	0.6250	15.8750	18	1.411	37/64 in
5/8-11	0.6250	15.8750	11	2.309	17/32 in
M16x2	0.6299	16.0000	~13	2.000	14 mm
M16x1.5	0.6299	16.0000	~17	1.500	14.5 mm
M16x1	0.6299	16.0000	~26	1.000	15 mm
M17x1	0.6693	17.0000	~26	1.000	16 mm
M17x1.5	0.6693	17.0000	~17	1.500	15.5 mm
M18x2.5	0.7087	18.0000	~11	2.500	15.5 mm
M18x1	0.7087	18.0000	~26	1.000	17 mm
M18x1.5	0.7087	18.0000	~17	1.500	16.5 mm
M18x2	0.7087	18.0000	~13	2.000	16 mm
3/4-16	0.7500	19.0500	16	1.588	11/16 in
3/4-10	0.7500	19.0500	10	2.540	21/32 in
M20x2	0.7874	20.0000	~13	2.000	18 mm
M20x1.5	0.7874	20.0000	~17	1.500	18.5 mm
M20x1	0.7874	20.0000	~26	1.000	19 mm
M20x2.5	0.7874	20.0000	~11	2.500	17.5 mm
M22x2	0.8661	22.0000	~13	2.000	20 mm
M22x1.5	0.8661	22.0000	~17	1.500	20.5 mm
M22x1	0.8661	22.0000	~26	1.000	21 mm
M22x2.5	0.8661	22.0000	~11	2.500	19.5 mm
7/8-9	0.8750	22.2250	9	2.822	49/64 in
7/8-14	0.8750	22.2250	14	1.814	13/16 in
M24x3	0.9449	24.0000	~9	3.000	21 mm
M24x1	0.9449	24.0000	~26	1.000	23 mm
M24x1.5	0.9449	24.0000	~17	1.500	22.5 mm
M24x2	0.9449	24.0000	~13	2.000	22 mm
M25x2	0.9843	25.0000	~13	2.000	23 mm
M25x1	0.9843	25.0000	~26	1.000	24 mm
M25x1.5	0.9843	25.0000	~17	1.500	23.5 mm
1-14	1.0000	25.4000	14	1.814	15/16 in
1-8	1.0000	25.4000	8	3.175	7/8 in
M26x1.5	1.0236	26.0000	~17	1.500	24.5 mm
M27x1.5	1.0630	27.0000	~17	1.500	25.5 mm
M27x3	1.0630	27.0000	~9	3.000	24 mm
M27x1	1.0630	27.0000	~26	1.000	26 mm
M27x2	1.0630	27.0000	~13	2.000	25 mm
M28x2	1.1024	28.0000	~13	2.000	26 mm
M28x1	1.1024	28.0000	~26	1.000	27 mm
M28x1.5	1.1024	28.0000	~17	1.500	26.5 mm
1 1/8-12	1.1250	28.5750	12	2.117	1 3/64 in
1 1/8-7	1.1250	28.5750	7	3.629	63/64 in
M30x1.5	1.1811	30.0000	~17	1.500	28.5 mm
M30x3.5	1.1811	30.0000	~8	3.500	26.5 mm
M30x2	1.1811	30.0000	~13	2.000	28 mm
1 1/4-12	1.2500	31.7500	12	2.117	1 11/64 in
1 1/4-7	1.2500	31.7500	7	3.629	1 7/64 in
M33x2	1.2992	33.0000	~13	2.000	31 mm
M33x3.5	1.2992	33.0000	~8	3.500	29.5 mm
M36x3	1.4173	36.0000	~9	3.000	33 mm
M36x4	1.4173	36.0000	~7	4.000	32 mm
1 1/2 -12	1.5000	38.1000	12	2.117	1 27/64 in
1 1/2-6	1.5000	38.1000	6	4.233	1 11/32 in
M39x4	1.5354	39.0000	~7	4.000	35 mm
M39x3	1.5354	39.0000	~9	3.000	36 mm
M42x4.5	1.6535	42.0000	~6	4.500	37.5 mm
1 3/4-12	1.7500	44.4500	12	2.117	1 43/64 in
1 3/4-5	1.7500	44.4500	5	5.080	1 35/64 in
M45x4.5	1.7717	45.0000	~6	4.500	40.5 mm
M48x5	1.8898	48.0000	~6	5.000	43 mm
2-12	2.0000	50.8000	12	2.117	1 59/64 in
2-4 1/2	2.0000	50.8000	4.5	5.644	1 25/32 in
M52x5	2.0472	52.0000	~6	5.000	47 mm
M56x5.5	2.2047	56.0000	~5	5.500	50.5 mm
M60x5.5	2.3622	60.0000	~5	5.500	54.5 mm
M64x6	2.5197	64.0000	~5	6.000	58 mm
M68x6	2.6772	68.0000	~5	6.000	62 mm

英制粗牙螺丝螺纹丝锥钻头

螺丝尺寸（外直径 - 螺纹/英寸）	螺丝钉外直径	丝锥钻头尺寸为75％。直径	丝锥钻头尺寸为50％。直径
懒人计算器
#0-80	0.060	3/64 (.0469)	55 (.0520)
#1-64	0.073	53 (.0595)	1/16 (.0625)
#2-56	0.086	50 (.0700)	49 (.0730)
#3-48	0.099	47 (.0785)	44 (.0860)
#4-40	0.112	43 (.0890)	41 (.0960)
#5-40	0.125	38 (.1015)	7/64 (.1094)
#6-32	0.138	36 (.1065)	32 (.1160)
#8-32	0.164	29 (.1360)	27 (.1440)
#10-24	0.190	25 (.1495)	20 (.1610)
#12-24	0.216	16 (.1770)	12 (.1890)
1/4-20	.2500	7 (.2010)	7/32 (.2188)
5/16-18	.3125	F (.2570)	J (.2770)
3/8-16	.3750	5/16 (.3125)	Q (.3320)
7/16-14	.4375	U (.3680)	25/64 (.3906)
1/2-13	.5000	27/64 (.4219)	29/64 (.4531)
9/16-12	.5625	31/64 (.4844)	33/64 (.5156)
5/8-11	.6250	17/32 (.5312)	9/16 (.5625)
3/4-10	.7500	21/32 (.6562)	11/16 (.6875)
7/8-9	.8750	49/64 (.7656)	51/64 (.7969)
1"-8	1.000	7/8 (.8750)	59/64 (.9219)
1 1/8-7	1.1250	63/64 (.9844)	1-1/32 (1.0313)

螺纹钢理论重量表

钢筋混凝土用热钆钢筋(螺纹钢)规格理论重量表大全/每米
型号d₀ (毫米)	内径d (毫米)	外径d₁ (毫米)	理论重量（公斤/米）
6	5.75	6.75	0.222
7	6.75	7.75	0.302
8	7.5	9.0	0.395
9	8.5	10.0	0.499
10	9.3	11.3	0.617
12	11	13.0	0.888
14	13	15.5	1.21
16	15	17.5	1.58
18	17	20.0	2.00
20	19	22.0	2.47
22	21	24.0	2.98
25	24	27.0	3.85
28	26.5	30.5	4.83
32	30.5	34.5	6.31
36	34.5	39.5	7.99
40	38.5	43.5	9.87