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Stainless Steel Socket Set Screws, DIN914 Handle Set Screws External Hex Drive

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Stainless Steel Socket Set Screws, DIN914 Handle Set Screws External Hex Drive

Brand Name : crever
Model Number : DIN914
Certification : ISO9001
Place of Origin : Jiangsu, China
MOQ : Negotiable
Price : Negotiable
Payment Terms : T/T, L/C, , MoneyGram
Supply Ability : 300 ton per month
Delivery Time : 15-25 working days
Packaging Details : bulk packing, small box packing+pallet
Name : hex socket head set screws
Colour : plain, black oxide, dacromat, ruspert, nickel
Material : stainless steel SS201, 304, 316
Size : M2--M24
Head : no head
Standard : DIN914
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Hex Socket Set Screws DIN914

1. Descriptions:

Set screws are not always the best way to resist the torque of driven shafts. To reduce the chance of slipping and to increase load capacity, a detent (often called a "flat") may be milled or ground at the part of the shaft where the set screw's point contacts. The detent, however, must be closely aligned with the threaded hole prior to fastening. The operator can often feel the screw push the flat into final alignment as they make the last half- or quarter-turn that tightens the screw. Set screws can successfully hold against heavy-torque applications if the details are right. For example, endmill holders of the solid type typically use large set screws holding against flats to fasten the endmill, and heavy loads are resisted. However, small set screws without flats are prone to spinning and galling if overloaded. The use of keys and keyways instead of, or in combination with, set screws is common for applications requiring high torque resistance or transmission. Splines offer yet more strength.

For longer life, set screws are usually made of alloy steel and case hardened. Hardened set screws often leave a plastic deformation, in the form of a circular or semicircular mark, in the shaft that the screw sets against. This has both pros and cons. On the pro side, such deformation increases the holding power (torque resistance) of the joint, as the screw is essentially "making its own detent" on a small but effective scale. On the con side, if one is aiming to have a blemish-free cosmetic finish on the part being set against, one must take actions to prevent the circular marks. In most set screw applications, this consideration is irrelevant. Another con is that this plastic deformation can cause corresponding high points in the shaft surrounding the circular mark. This can result in difficulties during dis-assembly if a bearing or other tightly toleranced part needs to slide past this area. Use of a flat mitigates this problem.

2. Product Specifications:

Product TypeSocket Set Screws
MaterialStainless Steel
Drive StyleInternal Hex (Allen)
Head StyleNo Head
Drive Typestraight slot, hex socket,square socket,external hex
Point Degree118
Point TypeCup
Thread DirectionRight Hand
Thread StandardUNF
Thread TypeFine

3. Applications:

An example application is when a set screw is screwed into a pulley hub so that its end-point bears firmly against the shaft. The fastening action is by friction between the screw and the shaft, often (but not always) with some amount of elastic or plastic deformation of one or both.

4. Features:

Common points include the following:

  • Flat point
  • Domed point
  • Cone point
  • Cup point
  • Extended point (pilot point, dog point)
  • Knurled cup point

5. More pictures:


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