Check the listing for details. 10Pcs BT40 45 Degree Pull Stud BT Retention Knob BT40-45° Sufficient Stock. Color: Black, Condition: New. Listed at 69.00 USD. Company Advantages:Ten-year pull stud/retention knob manufacturer with a market share of 3,000,000400,000 pieces in stock, complete models and specificationsAutomated mass production for fast deliveryHigh-quality steel guarantees strength and working lifeStrict inspection, elegant appearance, reliable packagingOEM service, more favorable distributor priceProduct FeaturesEach pull stud is tested thoroughly which ensures its qualityMade from fine alloy steel 20CrMnTi with treatment to HRC53-57Hard outside and soft inside, with higher wear resistance and better toughnessHigh quality black oxide ensures long pull stud life and a non-rusting surfacePrecision turning on all critical surfaceLarge selection for specific machine models, custom design acceptedPacking Details：10pcs BT40-45° Pull Stud(solid) + Free Shipping LYXC is dedicated to the R&D of CNC tool holder pull studs, nuts, pull stud and nut wrench/spanner, tool holder locking device etc. The pull studs that we supply are BT series, CAT series, BT-CAT series, MAZAK series with complete specifications.Any questions, please contact us, thanks!!!