Product Description

Find a huge selection of Stainless Steel A2-70 316L Slotted Countersunk Head Machine Screw from China at Gangtong Zheli. Provide professional after-sales service and the right price, looking forward to cooperation.

Stainless Steel A2-70 316L Slotted Countersunk Head Machine Screw

The stainless steel slotted machine screw differs from a bolt due to its uniform diameter along the shaft and threaded surface with spiral grooves. Unlike bolts, these screws do not have a tapered screw or pointed end. Stainless steel varieties include SS304, SS316, and 316L, offering a comprehensive range of materials.

These mechanical screws feature threads designed for nuts or tapping holes and are commonly known as furnace bolts. They serve as threaded fasteners tightened with a screwdriver and are typically smaller, around 1/4 inch (6.4 mm) in diameter, featuring a slotted head.

Machine screws find extensive use in fastening machine parts, electrical appliances, and various other applications. Their slightly rounded head with a short vertical edge distinguishes them. Coarse or fine threading is available, with fine threading preferred for applications requiring greater strength.

The sizing of machine screws often follows the North Carolina State University or the United Nations Foundation standards. Described by a two-number sequence, the first number represents the diameter, while the second denotes the number of threads per inch.

As a reputable Chinese manufacturer with years of import and export experience, our products are exported globally, especially to Europe and the United States, ensuring quality assurance. We offer a comprehensive range of standard products and accept orders for non-standard parts. For further details or inquiries, please feel free to consult with us.

GRADE	CHEMICAL COMPOSITION1(%MAXIMA UNLESS STATED)									NOTES	ALTERNATIVE NAMES
GRADE	C	Si	Mn	P	S	Cr	Mo	Ni	Cu	NOTES	ALTERNATIVE NAMES
A1	0.12	1	6.5	0.2	0.15/0.35	16-19	0.7	5-10	1.75-2.25	2 3 4	303S31,303S42,1.4305
A2	0.1	1	2	0.05	0.03	15-20	5	8-19	4	6 7	304,394S17(BS3111),1.4301,1.4567
A3	0.08	1	2	0.045	0.03	17-19	5	9-12	1	8	321,1.4541,347,1.4550
A4	0.08	1	2	0.045	0.03	16-18.5	2-3	10-15	4	7 9	316,1.4401,1.4578
A5	0.08	1	2	0.045	0.03	16-18.5	2-3	10.5-14	1	8 9	316Ti，1.4571，316Cb，1.4580
C1	0.09-0.15	1	1	0.05	0.03	11.5-14	-	1	-	9	410，1.4006
C3	0.17-0.25	1	1	0.04	0.03	16-18	-	1.5-2.5	-		431，1.4057
C4	0.08-0.15	1	1.5	0.06	0.15-0.35	12-14	0.8	1		2 9	416，1.4005
F1	0.12	1	1	0.04	0.03	15-18	10	1		11 12	430，1.4016，430Ti，1.4520，430Cb，1.4511

Application:

1, metal curtain wall light metal compartment, and other indoor and outdoor installation.
2, the general angle, channel, iron and other metals combined installation.
3, car trunks, containers, shipbuilding, refrigeration equipment and other assembly work.

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