Socket Button Head Cap Screw with Flange

SFB

The Socket Button Head Cap Screw with Flange has a wide bearing surface that is hard to loosen. The head of the screw goes unnoticed after installation.
Compact size with safety improvements for equipment and devices
Strength Class:
SFB ――――― 10.9
SFBS ―――― A2-50
Material/Finish
SFB ―――― SCM435 Equivalent, Ferrosoferric Oxide Coating (Black)
SFBS ――― SUSXM7 (SUS304 Equivalent)

Dimensions & Specifications

SFB (Steel, Ferrosoferric Oxide Coating)

unit:mm
Catalog Number	M	L	D₁	D₂	L₁	L₂	B	t	h	Maximum Tightening Torque(N·m)	Mass (g)	Q'ty per Pack
SFB-M3x6	M3	6	7	5.2	1.65	0.6	2	1.05	1	1	0.5	50
SFB-M3x8	M3	8	7	5.2	1.65	0.6	2	1.05	1	1	0.6	50
SFB-M3x10	M3	10	7	5.2	1.65	0.6	2	1.05	1	1	0.6	50
SFB-M3x12	M3	12	7	5.2	1.65	0.6	2	1.05	1	1	0.7	50
SFB-M3x16	M3	16	7	5.2	1.65	0.6	2	1.05	1	1	0.9	50
SFB-M3x20	M3	20	7	5.2	1.65	0.6	2	1.05	1	1	1	50
SFB-M4x6	M4	6	9.2	6.8	2.2	0.7	2.5	1.3	1.4	2	1	50
SFB-M4x8	M4	8	9.2	6.8	2.2	0.7	2.5	1.3	1.4	2	1.1	50
SFB-M4x10	M4	10	9.2	6.8	2.2	0.7	2.5	1.3	1.4	2	1.3	50
SFB-M4x12	M4	12	9.2	6.8	2.2	0.7	2.5	1.3	1.4	2	1.4	50
SFB-M4x16	M4	16	9.2	6.8	2.2	0.7	2.5	1.3	1.4	2	1.6	50
SFB-M4x20	M4	20	9.2	6.8	2.2	0.7	2.5	1.3	1.4	2	1.9	50
SFB-M4x25	M4	25	9.2	6.8	2.2	0.7	2.5	1.3	1.4	2	2.2	50
SFB-M5x8	M5	8	11.4	8.5	2.75	0.9	3	1.6	1.6	4	2.1	20
SFB-M5x10	M5	10	11.4	8.5	2.75	0.9	3	1.6	1.6	4	2.3	20
SFB-M5x12	M5	12	11.4	8.5	2.75	0.9	3	1.6	1.6	4	2.6	20
SFB-M5x16	M5	16	11.4	8.5	2.75	0.9	3	1.6	1.6	4	3	20
SFB-M5x20	M5	20	11.4	8.5	2.75	0.9	3	1.6	1.6	4	3.5	20
SFB-M5x25	M5	25	11.4	8.5	2.75	0.9	3	1.6	1.6	4	4.1	20
SFB-M5x30	M5	30	11.4	8.5	2.75	0.9	3	1.6	1.6	4	4.7	20
SFB-M6x8	M6	8	13.6	10.1	3.3	1	4	2.1	2	8	3.1	20
SFB-M6x10	M6	10	13.6	10.1	3.3	1	4	2.1	2	8	3.4	20
SFB-M6x12	M6	12	13.6	10.1	3.3	1	4	2.1	2	8	3.7	20
SFB-M6x16	M6	16	13.6	10.1	3.3	1	4	2.1	2	8	4.3	20
SFB-M6x20	M6	20	13.6	10.1	3.3	1	4	2.1	2	8	5	20
SFB-M6x25	M6	25	13.6	10.1	3.3	1	4	2.1	2	8	5.7	20
SFB-M6x30	M6	30	13.6	10.1	3.3	1	4	2.1	2	8	6.5	20
SFB-M8x10	M8	10	17	12.6	4.4	1.4	5	2.6	2.5	12	7	20
SFB-M8x12	M8	12	17	12.6	4.4	1.4	5	2.6	2.5	12	7.6	20
SFB-M8x16	M8	16	17	12.6	4.4	1.4	5	2.6	2.5	12	8.9	20
SFB-M8x20	M8	20	17	12.6	4.4	1.4	5	2.6	2.5	12	10.1	20
SFB-M8x25	M8	25	17	12.6	4.4	1.4	5	2.6	2.5	12	11.7	20
SFB-M8x30	M8	30	17	12.6	4.4	1.4	5	2.6	2.5	12	13.3	20
SFB-M8x35	M8	35	17	12.6	4.4	1.4	5	2.6	2.5	12	14.8	20
SFB-M8x40	M8	40	17	12.6	4.4	1.4	5	2.6	2.5	12	16.4	20
SFB-M10x16	M10	16	20.9	15.5	5.5	1.6	6	3.5	3	30	15.2	10
SFB-M10x20	M10	20	20.9	15.5	5.5	1.6	6	3.5	3	30	17.2	10
SFB-M10x25	M10	25	20.9	15.5	5.5	1.6	6	3.5	3	30	19.6	10
SFB-M10x30	M10	30	20.9	15.5	5.5	1.6	6	3.5	3	30	22.1	10
SFB-M10x35	M10	35	20.9	15.5	5.5	1.6	6	3.5	3	30	24.5	10
SFB-M10x40	M10	40	20.9	15.5	5.5	1.6	6	3.5	3	30	27	10

SFBS (Stainless Steel)

unit:mm
Catalog Number	M	L	D₁	D₂	L₁	L₂	B	t	h	Maximum Tightening Torque(N·m)	Mass (g)	Q'ty per Pack
SFBS-M3x6	M3	6	7	5.2	1.65	0.6	2	1.05	1	0.25	0.5	20
SFBS-M3x8	M3	8	7	5.2	1.65	0.6	2	1.05	1	0.25	0.6	20
SFBS-M3x10	M3	10	7	5.2	1.65	0.6	2	1.05	1	0.25	0.6	20
SFBS-M3x12	M3	12	7	5.2	1.65	0.6	2	1.05	1	0.25	0.7	20
SFBS-M3x16	M3	16	7	5.2	1.65	0.6	2	1.05	1	0.25	0.9	20
SFBS-M3x20	M3	20	7	5.2	1.65	0.6	2	1.05	1	0.25	1	20
SFBS-M4x6	M4	6	9.2	6.8	2.2	0.7	2.5	1.3	1.4	0.5	1	20
SFBS-M4x8	M4	8	9.2	6.8	2.2	0.7	2.5	1.3	1.4	0.5	1.1	20
SFBS-M4x10	M4	10	9.2	6.8	2.2	0.7	2.5	1.3	1.4	0.5	1.3	20
SFBS-M4x12	M4	12	9.2	6.8	2.2	0.7	2.5	1.3	1.4	0.5	1.4	20
SFBS-M4x16	M4	16	9.2	6.8	2.2	0.7	2.5	1.3	1.4	0.5	1.6	20
SFBS-M4x20	M4	20	9.2	6.8	2.2	0.7	2.5	1.3	1.4	0.5	1.9	20
SFBS-M4x25	M4	25	9.2	6.8	2.2	0.7	2.5	1.3	1.4	0.5	2.2	20
SFBS-M5x8	M5	8	11.4	8.5	2.75	0.9	3	1.6	1.6	1	2.1	20
SFBS-M5x10	M5	10	11.4	8.5	2.75	0.9	3	1.6	1.6	1	2.3	20
SFBS-M5x12	M5	12	11.4	8.5	2.75	0.9	3	1.6	1.6	1	2.6	20
SFBS-M5x16	M5	16	11.4	8.5	2.75	0.9	3	1.6	1.6	1	3	20
SFBS-M5x20	M5	20	11.4	8.5	2.75	0.9	3	1.6	1.6	1	3.5	20
SFBS-M5x25	M5	25	11.4	8.5	2.75	0.9	3	1.6	1.6	1	4.1	20
SFBS-M6x8	M6	8	13.6	10.1	3.3	1	4	2.1	2	2	3.1	20
SFBS-M6x10	M6	10	13.6	10.1	3.3	1	4	2.1	2	2	3.4	20
SFBS-M6x12	M6	12	13.6	10.1	3.3	1	4	2.1	2	2	3.7	20
SFBS-M6x16	M6	16	13.6	10.1	3.3	1	4	2.1	2	2	4.3	20
SFBS-M6x20	M6	20	13.6	10.1	3.3	1	4	2.1	2	2	5	20
SFBS-M6x25	M6	25	13.6	10.1	3.3	1	4	2.1	2	2	5.7	20
SFBS-M6x30	M6	30	13.6	10.1	3.3	1	4	2.1	2	2	6.5	20