Black hexagon socket wood tooth screw countersunk hexagon socket roller coaster screw

Name: Black hexagon socket wood tooth screw countersunk hexagon socket roller coaster screw
Brand: YONGYI

Moq: Confirmed by product, size, grade, finish and quantity

Price: Quoted to specification, quantity, coating, packing and Incoterm

Package: Bags, boxes, cartons, pallets or customer-specified export packing

Export port: Tianjin, Qingdao or Shanghai, as confirmed in the quotation

Delivery date: Confirmed after specification, quantity and production review

Payment method: T/T or other terms stated in the official PI or contract

Cross flat head wall plate screw countersunk head self-tapping screw galvanization dry wall screw

MOQ: Contact us

Price: Contact us

Product Photos and Information

Black Phosphate Oxide Steel Wood Confirmat Screws

Name	Self tapping screws	Materials	Carbon Steel/Stainless Steel
Standards	DIN ISO ANC BSW JIS etc.	Strength level	8.8 etc.
Size	M1.5-M6	Surface finish	ZPBLACK etc.
Length	10-100	Samples	Subject to availability and agreement

Product Standards

Cross recessed countersunk tapping screws DIN 7982 7050
Thread specification			ST2.2	ST2.9	ST3.5	（ST3.9）	ST4.2	ST4.8	ST5.5	ST6.3
P	Pitch		0.8	1.1	1.3	1.3	1.4	1.6	1.8	1.8
a	Maximum		0.8	1.1	1.3	1.3	1.4	1.6	1.8	1.8
DK	Maximum value = nominal		4.3	5.5	6.8	7.5	8.1	9.5	10.8	12.4
DK	minimum		4	5.2	6.44	7.14	7.74	9.14	10.37	11.97
k	≈		1.3	1.7	2.1	2.3	2.5	3	3.4	3.8
Y	Maximum	C type	2	2.6	3.2	3.5	3.7	4.3	5	6
Y	Maximum	F type	1.6	2.1	2.5	2.7	2.8	3.2	3.6	3.6
Slot Number			1	1	2	2	2	2	3	3
M1	≈		2.5	3	4.2	4.6	4.7	5.1	6.8	7.1
M2	≈		2.4	2.8	4	4.2	4.4	5	6.3	7
Weight of 1,000 pieces of steel≈kg			-	-	-	-	-	-	-	-

About Us

YONGYI Fasteners supports industrial and project fastener inquiries from Yongnian, Handan, China.

Our published company certificates, factory photographs, production information and selected supply references help buyers evaluate manufacturing and quality-control capabilities.

For a quotation, provide the product standard or drawing, size, material or grade, surface finish, quantity, packing requirement and destination.