KTX-1 Metal S.S. Self-drilling Screw

Comparison Test Between KTX-1 Metal S.S. Self-drilling Screw and other screws

 Category: Screw for Steel

 Size: M3.5-M6.3 (#6~#14)

 Length: 13-250mm (1/2”~10”)

 Material: KTX-1 Metal (special stainless steel imported from Japan)

● KTX-1 Metal S.S. Self-drilling Screw OEM/ODM is welcome



High corrosion resistance

● Heat treated hard Martensitic stainless steel material to replace A2 cap, ZDC cap, SS410, Bi-Metal and Mxxxtex

● Min 5000hrs SST; Min 50 cycles Kesternich Test passed

● Bright appearance same as S/S 300 series


High hardness

● Can reach HV620 that is harder than C1022 and S/S 400 series


High strength

● Tensile, shear, breaking torque performance are all better than C1022, SS410 and Bi-Metal


High drilling performance

● Can be drilled repeatedly in the standard thickness of steel plate more than 3 times

Material Hardness Ductility Heat Treat Surface Appearance Salt Spray Test Kesternich Test
SS304 Bad Good Bad Good No corrosion Some corrosion
SS410 Good Bad Good Bad Some red rust Almost rusted
KTX-1Metal Good Good Good Good No corrosion No corrosion


KTX-1 Metal S.S. Self-drilling Screw video


The best special stainless steel self-drilling screw leads you to success.



Q1: What kind of stainless steel material is KTX-1 Metal S.S. Self-drilling Screw?
A1: KTX-1 Metal S.S. Self-drilling Screw is made by heat treated Martensitic stainless steel.

Q2: Is the material of KTX-1 Metal S.S. Self-drilling Screw sourced from Taiwan?

A2: No, we imported KTX-1 Metal stainless steel material fromJapan, but we are looking for an alternative material inTaiwan.

Why choose Kwantex
  • Professional and Leading Screw Brand - KWANTEX
    Established in 1996
    Focus on Research and Design in fastener field
    Second factory opened in 2015
    Industry 4.0 spirit
  • Strong R&D and QA Team
    Develop new products every year
    Obtain more than 100 patents
    3 major QA procedure:
    Dimensional measurement
    Mechanical properties test
    Actual test on materials
    Environmental lab:
    Salt spray test and kesternich test
Certificates to Meet International Fasteners Standards
  • ISO 9001, ISO 14001, ISO 45001
  • CE marking for EN 14566, EN 14592
  • KTCO,Corrosion Protection Coating - C4 Approved by RISE in Sweden
  • German Red Dot Product Design Award – KTX-Torpedo 1 Screw
  • SGS 18 Years Merit Award – ISO 9001
  • Taiwan Small & Medium Enterprise Innovation Award – KTX-Torpedo 1 Screw
Kwantex Research Inc. was established since 1996 mainly devotes to Research and Design in fastener field. We are one of the few enterprises who own the most fastener patents and collaborate with many outstanding fastener companies over the world on innovative products.
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