{"product_id":"mms420r-2557","title":"KHK spiral miter MMS4-20R","description":"[Features] ● SCM415 material with quenched tooth surfaces only.\u003cbr\u003e\u003cbr\u003e[Use] ●Gears for power transmission.\u003cbr\u003e\u003cbr\u003e[Specifications]-Module: 4-Number of teeth: 20-Standard circle diameter (mm): φ80-Assembly distance (mm): 65-Hole diameter (mm): φ20-Overall length (mm): 39.13-Face width (mm) : 18 ● Shape: B3 ● Tip circle diameter (mm): φ84.99 ● Hole length (mm): 35 ● Boss length (mm): 17.5 ● Boss diameter (mm): φ65 ● Twisting direction: R Tap: - Key groove: - Pressing surface diameter: 49.08 Tooth surface hardness\u003cbr\u003e\u003cbr\u003e[Specification 2] ● Gear accuracy: JISB1704: 1978: Grade 4 ● Tooth profile: Gleason ● Pressure angle: 20° ● Heat treatment: Carburizing and quenching (teeth only) ● Tooth ratio: 1 ● Surface treatment: Black dye ● Tooth surface finish : Cutting ●Gear cutting reference surface: Hole (H7) ●Torsion angle: -35 ●Possibility of additional machining: Carburizing part can be additionally machined\u003cbr\u003e\u003cbr\u003e[Material\/Finish] ●SCM415\u003cbr\u003e\u003cbr\u003e[Set contents\/accessories]\u003cbr\u003e-\u003cbr\u003e\u003cbr\u003e【Note】\u003cbr\u003e-","brand":"kital-japanese","offers":[{"title":"Default Title","offer_id":42145317683429,"sku":"MMS420R                       2557","price":0.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/6459\/2613\/products\/MMS420R_2557__DA_1fc6b242-5dcc-46fd-aa1d-8fd2f4e60544.jpg?v=1638235158","url":"https:\/\/orangebook-digest.com\/en\/products\/mms420r-2557","provider":"kital-japanese","version":"1.0","type":"link"}