Stainless Steel Square Head Bolts

ASTM A307 Square Machine Screws Manufacturer in India

Stainless Steel Square Head Bolts

ASTM A307 Square Machine Screws

Stainless Steel Square Bolts Size	Square Bolts M2, M3, (M3.5), M4, M5, M6, M8, M10, M12, (M14), M16, (M18), M20, (M22), M24, (M27), M30, M33, M36, M42, (M45), M48 to M160 and Custom Sizes
Grade	18-8 Stainless Steel, 4.8, 8.8, A2, A4, A2-70; A4-70; A4-80 Square Bolts
British standards	BS6105 (old: BSENISO 3506) which covers Part 1 bolts, screw and Us, part 2 nuts and part 4 tapping screws.
DIN Standard	B.S. DIN 933, DIN 931, DIN 934, DIN 912, DIN 603, DIN 6923, DIN 970, DIN 7981, DIN 7982, DIN916, DIN 913, DIN 7985
ISO – International Organization for Standardization	ISO 4032, ISO 4033, ISO 4017, ISO7380 JIS standards
Length	3 mm to 200 mm
Square Bolts, Us Threads:	METRIC, BSW, BSF, UNC, UNF or as required
Dimensions	ASME B18.6.3 **Exception: screws 6 inches and shorter are fully threaded.

SS 310 Square Head Bolt

Grade 10.9 Square Head Bolt

SS 202 Square Head Bolt

MS Square Head Bolt

EN 8 Square Head Bolt

ASTM A307 Square Machine Screws

Square Head Machine Bolts

Grade 10.9 Square Head Bolt

Bolt Diameter	D	F			C		H
	Body Diameter	Width Across Flats			Width Across Corners		Height
	Max	Basic	Max	Min	Max	Min	Basic	Max	Min
1⁄2	0.515	3⁄4	0.750	0.725	1.061	0.995	21⁄64	0.348	0.308
5⁄8	0.642	15⁄16	0.938	0.906	1.326	1.244	27⁄64	0.444	0.400
3⁄4	0.768	11⁄8	1.125	1.088	1.591	1.494	1⁄2	0.524	0.476
7⁄8	0.895	15⁄16	1.312	1.269	1.856	1.742	19⁄32	0.620	0.568
1	1.022	11⁄2	1.500	1.450	2.121	1.991	21⁄32	0.684	0.628
11⁄8	1.149	111⁄16	1.688	1.631	2.386	2.239	3⁄4	0.780	0.720
11⁄4	1.277	17⁄8	1.875	1.812	2.652	2.489	27⁄32	0.876	0.812
13⁄8	1.404	21⁄16	2.062	1.994	2.917	2.738	29⁄32	0.940	0.872
11⁄2	1.531	21⁄4	2.250	2.175	3.182	2.986	1	1.036	0.964
13⁄4*		29⁄16					13⁄16
2*		215⁄16					15⁄16
* ASME only defines head dimensions up to 1-1/2″. Dimensions for 1-3/4 and 2″ are approximate and not covered under the ASME dimensional specifications. Dimensions per ASME B18.2.1 1996