CFS Industry Standards & Regulations 2

Question 1

Which ASME standard governs the dimensional requirements for hex cap screws used in pressure vessels?

Accepted Answer

ASME B18.2.1

Answer

ASME B18.2.1 specifies dimensional requirements for inch series square and hex bolts and screws, including hex cap screws.

Question 2

Under ASTM F3125, which grade designation covers structural bolts with a minimum tensile strength of 150 ksi?

Accepted Answer

Grade A490

Answer

ASTM F3125 Grade A490 structural bolts have a minimum tensile strength of 150 ksi, making them the higher-strength option compared to A325.

Question 3

What does the RoHS Directive restrict in fastener manufacturing?

Accepted Answer

Use of certain hazardous substances including lead and cadmium

Answer

The EU RoHS Directive restricts the use of specific hazardous substances such as lead, mercury, cadmium, and hexavalent chromium in electrical and electronic equipment, including fasteners used in such products.

Question 4

Which standard specifies minimum performance requirements for self-drilling screws?

Accepted Answer

SAE J78

Answer

SAE J78 specifies performance requirements for steel self-drilling tapping screws, including drill point performance and thread-forming capability.

Question 5

In the context of REACH regulation, what must fastener manufacturers do if their product contains a SVHC above 0.1% by weight?

Accepted Answer

Notify customers and provide safe use information

Answer

Under REACH, if a fastener article contains a Substance of Very High Concern (SVHC) above 0.1% w/w, the supplier must notify customers and provide safe use information upon request.

(CFS) Certified Fastener Specialist Practice Test

(CFS) Certified Fastener Specialist Practice Test

CFS Industry Standards & Regulations 2