Hexalobular Socket Head Cap Screw (Special Low Head)

SST

The height of the screw head is 1.5 mm or less, regardless of the screw size. The head of the screw goes unnoticed after installation.
New Stainless Steel Make SSTS is standardized.
The Hexalobular Hole is shaped to withstand high tightening torque.
The SKX Hexalobular Wrench is recommended for installation/uninstallation.
Strength Classification:
SST-TZB ―――― 8.8
SSTS ―――――― A2-50
Material/Finish
SST-TZB ―――― SCM435 Equivalent, Trivalent Chromate Treatment
SSTS ――――――SUS304 Equivalent
* The surface treatment of SST-TZB has changed from Unichrome Plating to Trivalent Chromate Plating. The product code for this former version is SST-ZB .

Dimensions & Specifications

SST-TZB (Steel, Trivalent Chromate Treatment)

unit:mm
Catalog Number	M	L	D₁	L₁	Required Wrench	Hexalobular Hole #	t max.	Maximum Tightening Torque (N·m)	Mass (g)	Q'ty per Pack
SST-M4x6-TZB	M4	6	8	1.5	SKX-10	No.10	1.5	2	0.9	10
SST-M4x8-TZB	M4	8	8	1.5	SKX-10	No.10	1.5	2	1.07	10
SST-M4x10-TZB	M4	10	8	1.5	SKX-10	No.10	1.5	2	1.23	10
SST-M5x6-TZB	M5	6	9	1.5	SKX-15	No.15	1.8	5	1.1	10
SST-M5x8-TZB	M5	8	9	1.5	SKX-15	No.15	1.8	5	1.36	10
SST-M5x10-TZB	M5	10	9	1.5	SKX-15	No.15	1.8	5	1.62	10
SST-M5x12-TZB	M5	12	9	1.5	SKX-15	No.15	1.8	5	1.88	10
SST-M5x16-TZB	M5	16	9	1.5	SKX-15	No.15	1.8	5	2.4	10
SST-M6x8-TZB	M6	8	10	1.5	SKX-20	No.20	2.1	5	1.9	10
SST-M6x10-TZB	M6	10	10	1.5	SKX-20	No.20	2.1	5	2.23	10
SST-M6x12-TZB	M6	12	10	1.5	SKX-20	No.20	2.1	5	2.57	10
SST-M6x16-TZB	M6	16	10	1.5	SKX-20	No.20	2.1	5	3.23	10
SST-M6x20-TZB	M6	20	10	1.5	SKX-20	No.20	2.1	5	3.9	10
SST-M8x8-TZB	M8	8	13	1.5	SKX-25	No.25	2.4	10	3	10
SST-M8x10-TZB	M8	10	13	1.5	SKX-25	No.25	2.4	10	3.72	10
SST-M8x12-TZB	M8	12	13	1.5	SKX-25	No.25	2.4	10	4.43	10
SST-M8x16-TZB	M8	16	13	1.5	SKX-25	No.25	2.4	10	5.87	10
SST-M8x20-TZB	M8	20	13	1.5	SKX-25	No.25	2.4	10	7.3	10

SSTS (Stainless Steel)

unit:mm
Catalog Number	M	L	D₁	L₁	Required Wrench	Hexalobular Hole #	t max.	Maximum Tightening Torque (N·m)	Mass (g)	Q'ty per Pack
SSTS-M2x4	M2	4	4	1.2	SKX-5	No.5	0.9	0.5	0.2	10
SSTS-M2x5	M2	5	4	1.2	SKX-5	No.5	0.9	0.5	0.23	10
SSTS-M2x6	M2	6	4	1.2	SKX-5	No.5	0.9	0.5	0.25	10
SSTS-M2x8	M2	8	4	1.2	SKX-5	No.5	0.9	0.5	0.3	10
SSTS-M2.5x4	M2.5	4	5	1.3	SKX-6	No.6	1	0.8	0.3	10
SSTS-M2.5x5	M2.5	5	5	1.3	SKX-6	No.6	1	0.8	0.33	10
SSTS-M2.5x6	M2.5	6	5	1.3	SKX-6	No.6	1	0.8	0.35	10
SSTS-M2.5x8	M2.5	8	5	1.3	SKX-6	No.6	1	0.8	0.4	10
SSTS-M3x5	M3	5	6	1.3	SKX-8	No.8	1.1	1	0.4	10
SSTS-M3x6	M3	6	6	1.3	SKX-8	No.8	1.1	1	0.44	10
SSTS-M3x8	M3	8	6	1.3	SKX-8	No.8	1.1	1	0.52	10
SSTS-M3x10	M3	10	6	1.3	SKX-8	No.8	1.1	1	0.6	10
SSTS-M4x6	M4	6	8	1.5	SKX-10	No.10	1.5	2	0.9	10
SSTS-M4x8	M4	8	8	1.5	SKX-10	No.10	1.5	2	1.07	10
SSTS-M4x10	M4	10	8	1.5	SKX-10	No.10	1.5	2	1.23	10
SSTS-M4x12	M4	12	8	1.5	SKX-10	No.10	1.5	2	1.4	10
SSTS-M5x6	M5	6	9	1.5	SKX-15	No.15	1.8	5	1.1	10
SSTS-M5x8	M5	8	9	1.5	SKX-15	No.15	1.8	5	1.36	10
SSTS-M5x10	M5	10	9	1.5	SKX-15	No.15	1.8	5	1.62	10
SSTS-M5x12	M5	12	9	1.5	SKX-15	No.15	1.8	5	1.88	10
SSTS-M5x16	M5	16	9	1.5	SKX-15	No.15	1.8	5	2.4	10
SSTS-M6x8	M6	8	10	1.5	SKX-20	No.20	2.1	5	1.9	10
SSTS-M6x10	M6	10	10	1.5	SKX-20	No.20	2.1	5	2.23	10
SSTS-M6x12	M6	12	10	1.5	SKX-20	No.20	2.1	5	2.57	10
SSTS-M6x16	M6	16	10	1.5	SKX-20	No.20	2.1	5	3.23	10
SSTS-M6x20	M6	20	10	1.5	SKX-20	No.20	2.1	5	3.9	10
SSTS-M8x8	M8	8	13	1.5	SKX-25	No.25	2.4	10	3	10
SSTS-M8x10	M8	10	13	1.5	SKX-25	No.25	2.4	10	3.72	10
SSTS-M8x12	M8	12	13	1.5	SKX-25	No.25	2.4	10	4.43	10
SSTS-M8x16	M8	16	13	1.5	SKX-25	No.25	2.4	10	5.87	10
SSTS-M8x20	M8	20	13	1.5	SKX-25	No.25	2.4	10	7.3	10