Suzhou Runtai Precision Hardware Co,.Ltd.
We are professional manufacture factory of screws, bolts, rivets, nuts,bushing and non-standard fastener from China.
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304 Stainlss Steel M3 Prss-Fit Studs Stainless Steel PEM Screws
Products Description
These steel studs are zinc plated to resist corrosion in wet environments. Press them into a drilled or punched hole with an arbor press or similar pressure tool. Also known as self-clinching studs, ribs under the head hold the stud firmly in place
Products Specification
| Material | Zinc-Plated Steel |
| Thread Size | 4-40 |
| Length | 1/4" |
| PEM® Part Number | FH440-4 |
| Thread Length | 5/32" |
| Drill Bit Size | No. 34 |
| Drill Bit Size Decimal Equivalent | 0.111" |
| For Min. Material Thickness | 0.040" |
| For Min. Length Between Hole Center and Sheet Edge | 7/32" |
| For Hole Diameter | 0.111" |
| Hole Size Tolerance | 0.000" to 0.003" |
| Base Diameter | 0.191" |
| Tensile Strength | Not Rated |
| Hardness | Not Rated |
| Thread | |
| Direction | Right Hand |
| Type | UNC |
| Spacing | Coarse |
| Fit (External) | Class 2A |
| Threading | Fully Threaded |
| System of Measurement | Inch |
| RoHS | Compliant |
Production Equipment
Test Equipmemt
FAQ
Q1: Why choose Runtai?
To provide our customers with first-class services in the supply of high quality screw, bolt, bushing, nut and customized hardware.
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Q2: How can I get a sample to check your quality?
After price confirmation, you can require for samples to check our quality.
If you just need a sample we have in our stock, we will provide you sample for free and you afford the freight.
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Q3: Can you strictly follow the tolerance on the drawing and meet the high precision?
Yes, we can, we can provide high precision parts and make the parts as your drawing.
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Q4: How long can I expect to get the customized sample?
After you pay the sample charge and send us confirmed files, and the mould is existing in our factory, the samples will be ready in 5-10 working days;
If the mould is not existing, we need to open a new mould, the samples will be ready in 10-15 working days; The samples will be sent to you via and arrive in 3-5 working days. You can use your own express account number or prepay us if you do not have an account.
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Q5: What’s your Delivery Time?
Honestly, it largely depends on the order quantity and the season when you place the order. As usual, 15-30working days will be ok. If you are very urgent, we will try our best to do it.
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