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Hexagonal Drill Tail Screw

Name: Hexagonal Drill Tail Screw
Brand: Shenzhen Xintegu Hardware Co.,Ltd.

The Hexagonal Drill Tail Screw is engineered for high-efficiency and secure fastening in a variety of materials including metal, wood, and composites. Its unique design features a hexagonal head for robust torque application and a self-drilling tail that eliminates the need for pre-drilling, significantly reducing installation time. Crafted from hardened materials, this screw provides excellent durability and resistance to shearing forces. The drill tail is particularly effective in creating precise, clean holes, ensuring a snug fit and enhanced holding power. Ideal for construction, automotive, and manufacturing industries

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Specifications of Hexagonal Drill Tail Screw

Thread specification
P	Pitch
a	Maximum
c	Minimum
d_c	Maximum
	Minimum
e	Minimum
k	Maximum
	Minimum
kw	Minimum
r	Maximum
s	Maximum
	Minimum
d_p
Drilling range (plate thickness)
Lg (minimum)

ST2.9	ST3.5	(ST3.9)	ST4.2	ST4.8	(ST5.5)	ST6.3
1.1	1.3	1.3	1.4	1.6	1.8	1.8
1.1	1.3	1.3	1.4	1.6	1.8	1.8
0.4	0.6	0.6	0.8	0.9	1	1
6.3	8.3	8.3	8.8	10.5	11	13.5
5.8	7.6	7.6	8.1	9.8	10	12.2
4.28	5.96	5.96	7.59	8.71	8.71	10.95
2.8	3.4	3.4	4.1	4.3	5.4	5.9
2.5	3	3	3.6	3.8	4.8	5.3
1.3	1.5	1.5	1.8	2.2	2.7	3.1
0.4	0.5	0.5	0.6	0.7	0.8	0.9
4	5.5	5.5	7	8	8	10
3.82	5.32	5.32	6.78	7.78	7.78	9.78
2.3	2.8	3.1	3.6	4.1	4.8	5.8
0.7~1.9	0.7~2.25	0.7~2.4	1.75~3	1.75~4.4	1.75~5.25	2~6
-	-	-	-	-	-	-
①, Material: Made of case-hardened steel as specified in DIN 17210 or quenched and tempered steel as specified in DIN EN 10083-1 and DIN EN 10083-2 (at the manufacturer's discretion). Equivalent steel grades are allowed.