Question 1: What does "countersunk" mean for a countersunk head screw? Screws are connectors used to join two objects. Generally, the head of the screw will protrude on the surface of the object to be connected to the upper part of the surface, so that the surface is not flat. Countersunk head screws can be sunk below the surface to make the surface flat. Harder objects require countersunk holes to be drilled in the countersunk head. In short, the countersunk head is the head of the screw is installed to keep the surface flat.

Question 2: What is the role of countersunk head screws? And other screws have what is different? Countersunk head screws definition: also known as flat machine screws, its head, is a 90-degree cone, and common wood screws similar to the head of the tool to tighten the groove, there are a word, cross-shaped, hexagonal and so on.　　The role of countersunk head screws: on the surface of the mounting holes in the connector, processed with a 90-degree conical nest, flat machine screws head in this nest, and the surface of the connector is flush. Flat machine screws used in some occasions also have half-round head flat machine screws, this screw is more beautiful, used on the surface can allow a little protruding place.　　Note: Countersunk head screws play a role in the connection of two or more objects, is an indispensable necessity in daily life or industrial manufacturing. There are countersunk head screws (with slots) and countersunk head screws (with tenons). The difference is: countersunk head screws will be used when the head will be completely sunk into the use of equipment inside. Personal opinion, for reference only!

Question 3: What is the difference between flat head screws and countersunk head screws 1, flat head screws and workpiece contact surface bit plane, and countersunk head screws bit cone.

2, flat head screws can be more force than the countersunk head screws.

3, flat head screws can add flat shims shims and countersunk head screws can only add shims with taper.

4, flat head screws can be exposed to the outside can also be in the countersunk holes and countersunk head screws are generally only in the countersunk head holes.

Question 4: What is called countersunk head stainless steel screws 1 floor is not right, is the screw *** is tapered

You can see this picture image.baidu/.... .0#pn53

Question 5: the classification of countersunk head screws According to the performance and role of the various classes are divided into countersunk head socket head bolts, countersunk head slotted bolts and so on.

Question 6: What is the difference between countersunk head hexagon socket head screws and ordinary hexagon socket head screws Countersunk head screws can be tightened with the bolt face flush with the mounting surface

Ordinary hexagon protrudes from the mounting surface

Question 7: What is the difference between countersunk head self-tapping screws and countersunk head screws? Countersunk head self-tapping screws, the use of the place does not require tapping.

Countersunk head screws without special instructions, generally refers to mechanical teeth screws (and nuts supporting the kind), the use of places to have internal threads.

The picture is not a countersunk head screw, it is an ordinary socket head cap screw.

The representation of the diagram is not formal, the complete representation, generally including, material, thread OD, thread length, head diameter, head thickness, and drive mode (cross, plum, hex .......) etc. Be lazy, or just give a standard number.

Question 8: the introduction of countersunk head screws Countersunk head screws, also known as flat machine screws, flat head screws, its head, is a 90-degree cone, and common wood screws are similar to the head of the tool to tighten the groove, there are a word, cross, hexagonal, etc..