1. Material & Thread of Titanium Hex Bolt

• Material: titanium Grade 1, 2, 3, 5, 7, 9, 12, 16.
• Standards: ASTM B381, ASTM F468, ASME B18.2.1, ASME B1.1.
• Thread: cut thread or rolled thread; full thread or half thread.

2. Technical Drawings for Titanium Hex Bolts

3. Dimensions of Titanium Hex Bolts

Nominal	E		F			G
Size	max.	min.	basic	max.	min.	max.	min.
1/4"	0.260	0.237	7/16	0.438	0.425	0.505	0.484
5/16"	0.324	0.298	1/2	0.500	0.484	0.577	0.552
3/8"	0.388	0.360	9/16	0.562	0.544	0.650	0.620
7/16"	0.452	0.421	5/8	0.625	0.603	0.722	0.687
1/2"	0.515	0.482	3/4	0.750	0.725	0.866	0.826
5/8"	0.642	0.605	15/16	0.938	0.906	1.083	1.033
3/4"	0.768	0.729	1-1/8	1.125	1.088	1.299	1.240
7/8"	0.895	0.852	1-5/16	1.312	1.269	1.516	1.447
1"	1.022	0.976	1-1/2	1.500	1.450	1.732	1.653
1-1/8"	1.149	1.098	1-11/16	1.688	1.631	1.949	1.859
1-1/4"	1.277	1.223	1-7/8	1.875	1.812	2.165	2.066
1-3/8"	1.404	1.345	2-1/16	2.062	1.994	2.382	2.273
1-1/2"	1.531	1.470	2-1/4	2.250	2.175	2.598	2.480
1-5/8"	1.658	1.591	2-7/16	2.438	2.356	2.815	2.616
1-3/4"	1.785	1.716	2-5/8	2.625	2.538	3.031	2.893
1-7/8"	1.912	1.839	2-13/16	2.812	2.719	3.248	3.099
2"	2.039	1.964	3	3.000	2.900	3.464	3.306
2-1/4"	2.305	2.214	3-3/8	3.375	3.262	3.897	3.719
2-1/2"	2.559	2.461	3-3/4	3.750	3.625	4.330	4.133
2-3/4"	2.827	2.711	4-1/8	4.125	3.988	4.763	4.546
3"	3.081	2.961	4-1/2	4.500	4.350	5.196	4.959
3-1/4"	3.335	3.210	4-7/8	4.875	4.712	5.629	5.372
3-1/2"	3.589	3.461	5-1/4	5.250	5.075	6.062	5.786
3-3/4"	3.858	3.726	5-5/8	5.625	5.437	6.495	6.198
4"	4.111	3.975	6	6.000	5.800	6.928	6.612

*Unit: inch; E: full-size body diameter; F: width across flats; G: width across corners. Size range: 1/4″ ~ 4″.

Nominal	H			R		LT
Size	basic	max.	min.	max.	min.	≤ 6"	> 6"
1/4"	11/64	0.188	0.150	0.03	0.01	0.750	1.000
5/16"	7/32	0.235	0.195	0.03	0.01	0.875	1.125
3/8"	1/4	0.268	0.226	0.03	0.01	1.000	1.250
7/16"	19/64	0.316	0.272	0.03	0.01	1.125	1.375
1/2"	11/32	0.364	0.302	0.03	0.01	1.250	1.500
5/8"	27/64	0.444	0.378	0.06	0.02	1.500	1.750
3/4"	1/2	0.524	0.455	0.06	0.02	1.750	2.000
7/8"	37/64	0.604	0.531	0.06	0.02	2.000	2.250
1"	43/64	0.700	0.591	0.09	0.03	2.250	2.500
1-1/8"	3/4	0.780	0.658	0.09	0.03	2.500	2.750
1-1/4"	27/32	0.876	0.749	0.09	0.03	2.750	3.000
1-3/8"	29/32	0.940	0.810	0.09	0.03	3.000	3.250
1-1/2"	1	1.036	0.902	0.09	0.03	3.250	3.500
1-5/8"	1-3/32	1.116	0.978	0.09	0.03	3.500	3.750
1-3/4"	1-5/32	1.196	1.054	0.12	0.04	3.750	4.000
1-7/8"	1-1/4	1.276	1.130	0.12	0.04	4.000	4.250
2"	1-11/32	1.388	1.175	0.12	0.04	4.250	4.500
2-1/4"	1-1/2	1.548	1.327	0.19	0.06	4.750	5.000
2-1/2"	1-21/32	1.708	1.479	0.19	0.06	5.250	5.500
2-3/4"	1-13/16	1.869	1.632	0.19	0.06	5.750	6.000
3"	2	2.060	1.815	0.19	0.06	6.250	6.500
3-1/4"	2-3/16	2.251	1.936	0.19	0.06	6.750	7.000
3-1/2"	2-5/16	2.380	2.057	0.19	0.06	7.250	7.500
3-3/4"	2-1/2	2.572	2.241	0.19	0.06	7.750	8.000
4"	2-11/16	2.764	2.424	0.19	0.06	8.250	8.500

*Unit: inch; H: head height; R: radius of fillet; L_T: nominal thread length for bolt lengths. Size range: 1/4″ ~ 4″.

Weight calculation for titanium hex bolt:  Wt = ( F * F * H * 3^0.5 / 2+ π * E * E / 4 * L ) * ρ * 1.64 * 10^-5;  ρ = 4510 kg/m³.