The modified truss head self drlling screws also called Wafer Head Screws have two layer cold forged large truss head and always in philips #2 drive (cross recess). The size is usually 4.2*13 ,it is Wholesale usual sizes Its used to drill on hard material like sheet metals with a sharp point or drilling point. Its made of AISI C1022 steel and heated with zinc coating which have an excellent driling performance. Modified truss head also called wafer head.
Zinc Plated Phillips Modified Truss Head
Self Drilling Screws
4.2 x 13mm Self Drilling Wafer Head Screw Wholesale
Phillips modified truss head self-drilling
tek screw zinc-plated steel
Phillips modified truss head self drilling screws feature a Phillips drive and a self drilling (TEK) point to pierce through 20 to 14 gauge metals. The threads on these screws also cut their own threads into either wood, plastic or sheet metal. Phillips modified truss head screws feature an over-sized domed head with a flange, similar to an integral washer. Modified truss head screws have a 100 degree undercut which creates a larger area beneath the screw's head for a larger bearing surface.
Modified White Zinc Plated Truss Head
Screws for C channel
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A: Our sales team will make quotation within 24 hours,if you are hurry ,you can call us or contact us online,we will make quotation for you asap
Q: How can I get sample to check your quality?
A: We can offer sample for free,but usually freight is at customers side ,but the cost can be refund from bulk order payment
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A: Yes, we have professional design team which service for you ,we can add your logo on your package
Q: How long is your delivery time?
A: Generally it is about 30 days accordng to your order qty of items
Q: You are a manufacturing company or trading company?
A: We are more than 15 years professional fasteners manufacturing and have exporting experience for more than 12 years.
Q: What is your payment term?
A: Generally, 30% T/T in advance ,balance before shippment or against B/L copy.
Q: What is your payment term?
A: Generally, 30% T/T in advance ,balance before shippment or against B/L copy.