{"product_id":"left-hand-tap-and-die-set-metric-m3-m20-2pc","title":"Left Hand Tap and Die Set - Metric M3 to M20 Alloy Steel Plug Tap \u0026 Thread Die, Coarse and Fine Pitch","description":"\u003cp\u003eThis \u003cstrong\u003eleft hand tap and die set\u003c\/strong\u003e pairs one machine plug tap with one thread die in the same metric size, so you can cut or chase a left hand (reverse) thread inside a hole and on a rod or bolt. Choose from 16 sizes between M3 and M20, including fine pitches.\u003c\/p\u003e\u003cp\u003eLeft hand threads tighten counterclockwise. They are used on parts that would loosen under normal rotation, such as some grinder and saw arbors, pedals, axle nuts and turnbuckles. Match both the diameter and the pitch of the part you are working on.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread direction:\u003c\/strong\u003e left hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIn each set:\u003c\/strong\u003e 1 machine plug tap and 1 thread die, same size\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoarse sizes:\u003c\/strong\u003e M3 x 0.5, M6 x 1.0, M8 x 1.25, M12 x 1.75, M14 x 2.0, M16 x 2.0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFine sizes:\u003c\/strong\u003e M8 x 1.0, M10 x 1.25, M12 x 1.25, M12 x 1.5, M14 x 1.0, M14 x 1.25, M14 x 1.5, M16 x 1.5, M18 x 1.5, M20 x 1.5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e alloy steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e internal threads with the tap, external threads with the die\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eGood to know\u003c\/h3\u003e\u003cp\u003eA tap wrench and a die stock (die handle) are needed to turn the tools and are not included. Use cutting oil and back the tool off often to break the chip.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eHow do I know if a thread is left hand?\u003c\/strong\u003e\u003cbr\u003eHold the bolt upright: left hand threads slope up to the left. A left hand nut tightens when turned counterclockwise.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the difference between M12 x 1.75 and M12 x 1.25?\u003c\/strong\u003e\u003cbr\u003eBoth are 12 mm in diameter. 1.75 mm is the coarse (standard) pitch; 1.25 mm is a fine pitch with more threads per length. Measure the pitch of your part before ordering.\u003c\/p\u003e","brand":"Belvik Tools","offers":[{"title":"2pcs M16x1.5 Set","offer_id":50638936113217,"sku":"14:1254#2pcs M16x1.5 Set","price":33.99,"currency_code":"USD","in_stock":true},{"title":"2pcs M16x2.0 Set","offer_id":50638936145985,"sku":"14:366#2pcs M16x2.0 Set","price":35.99,"currency_code":"USD","in_stock":true},{"title":"2pcs M18x1.5 Set","offer_id":50638936178753,"sku":"14:29#2pcs M18x1.5 Set","price":43.99,"currency_code":"USD","in_stock":true},{"title":"2pcs M20x1.5 Set","offer_id":50638936211521,"sku":"14:173#2pcs M20x1.5 Set","price":47.99,"currency_code":"USD","in_stock":true},{"title":"2pcs M3x0.5 Set","offer_id":50638936244289,"sku":"14:200004889#2pcs M3x0.5 Set","price":10.99,"currency_code":"USD","in_stock":true},{"title":"2pcs M6x1.0 Set","offer_id":50638936277057,"sku":"14:200004890#2pcs M6x1.0 Set","price":11.99,"currency_code":"USD","in_stock":true},{"title":"2pcs M8x1.0 Set","offer_id":50638936309825,"sku":"14:200004891#2pcs M8x1.0 Set","price":15.99,"currency_code":"USD","in_stock":true},{"title":"2pcs M8x1.25 Set","offer_id":50638936342593,"sku":"14:200003699#2pcs M8x1.25 Set","price":12.99,"currency_code":"USD","in_stock":true},{"title":"2pcs M14x1.0 Set","offer_id":50638936375361,"sku":"14:350853#2pcs M14x1.0 Set","price":20.99,"currency_code":"USD","in_stock":true},{"title":"2pcs M14x1.25 Set","offer_id":50638936408129,"sku":"14:10#2pcs M14x1.25 Set","price":21.99,"currency_code":"USD","in_stock":true},{"title":"2pcs M14x1.5 Set","offer_id":50638936440897,"sku":"14:771#2pcs M14x1.5 Set","price":34.99,"currency_code":"USD","in_stock":true},{"title":"2pcs M14x2.0 Set","offer_id":50638936473665,"sku":"14:1052#2pcs M14x2.0 Set","price":35.99,"currency_code":"USD","in_stock":true},{"title":"2pcs M10x1.25 Set","offer_id":50638936506433,"sku":"14:200002130#2pcs M10x1.25 Set","price":17.99,"currency_code":"USD","in_stock":true},{"title":"2pcs M12x1.25 Set","offer_id":50638936539201,"sku":"14:365458#2pcs M12x1.25 Set","price":20.99,"currency_code":"USD","in_stock":true},{"title":"2pcs M12x1.5 Set","offer_id":50638936571969,"sku":"14:350850#2pcs M12x1.5 Set","price":20.99,"currency_code":"USD","in_stock":true},{"title":"2pcs M12x1.75 Set","offer_id":50638936604737,"sku":"14:350852#2pcs M12x1.75 Set","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/2801\/6961\/files\/H625717715b474fd88ca31fd94e84276di.webp?v=1792512053","url":"https:\/\/belviktools.com\/products\/left-hand-tap-and-die-set-metric-m3-m20-2pc","provider":"Belvik Tools","version":"1.0","type":"link"}