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| Technical Information For tunnel gating of small to medium-sized moldings contoured in the gate area. Our GTK inserts are made of 1.3505 steel. This is a 100Cr6 type ball bearing steel which has been "through-hardened" to 60+2 HRC. It therefore requires no subsequent case hardening or nitriding. The 1.3505 material can be laser or WIG welded.
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Maximum gate diameter (pointed tunnel) up to 1.7 mm.
■ Contourable up to 3 mm depth.
■ Usable for all thermoplastics including fillers up to 50% glass fibre
at least.
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