Name: Flat head machine screws in china
Brand: Wan Star Aluminum Industry Co., Ltd.
SKU: 00296
Availability: InStock
Rating: 5 (1 reviews)

Home > Aluminum profile accessories > Bolts and nuts > Flat head machine screws

Description

Flat head machine screws are a type of construction part. The head is a 90-degree cone, similar to common wood screws. The head has tool tightening grooves, such as a zigzag, cross, inner hexagon, plum blossom, pentagon, etc. Screws are all connectors used to connect two objects. Generally, the head of the screw will protrude above the surface of the object to be connected, so that the surface will lose its smoothness. Flat head machine screws can sink under the surface to make the surface flat, and hard objects need to be drilled in the corresponding position of the countersunk head.

Product Name	Flat head machine screws
Material	Stainless steel, alloy steel, steel, brass, aluminum, etc.
Type:	Round Head
Spec	M0.8-M24, L: 2MM-200MM
Grade	4.8, 5.8, 8.8, 10.9, 12.9, etc.
Surface	Plain, Passivation, Zinc plated, Galvanized, Black, or according to your requirement.
Plating Thickness	1-15um
Surface Treatment	Zinc, nickel, chrome, tin, etc.
Accurate	+ / - 0.01mm
Nominal Diameter	6mm
Length	60mm
Color	Silver white
Head Shape	Short hair
Application	It is suitable for fastening connection in construction engineering
Standard	ASTM, AISI, JIS, ISO, EN, BS, GB, etc.
Export	United States, Australia, Brazil, Canada, Peru, Iran, Italy, India, United Kingdom, Arabia, etc.
Payment Method	T/T, Western Union, L/C, etc.
Package	Standard seaworthy export packing: wooden pallet with plastic protection or as customer's request.
Pricing Term	EXW,FOB,CIF,CFR,CNF etc.

1. The taper of the reaming hole should be 90°. It should be guaranteed that it should be less than 90° rather than greater than 90°. This is a key trick.

2. If the thickness of the sheet metal is less than the thickness of the head of the flat machine bolt, you can replace the screw with a smaller size, or it is better to ream a smaller hole instead of reaming the hole to increase the diameter of the bottom hole and cause the parts to not be pressed tightly.

3. If there are multiple flat machine bolt holes on the part, the machining should be more precise. Once drilled crookedly, it will be ugly to assemble, but as long as the error is not large, it can be tightened completely, because when tightening, if the diameter of the flat machine bolt is It is not very large (about no more than 8mm). When the hole distance is wrong, the bolt head of the flat machine will be deformed due to the force when it is tightened, or it will be tightened.

Flat head machine screws are often used to connect decorative parts such as hinges, door suctions, handles, etc. to profiles, and are used in conjunction with T-nuts.

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