Size: M8 X 1.25mm. Material: HSS(M2).
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Burkit 1/4"-28 UNF Tap and Die Set Left Hand, 1/4 x 28 UNF Machine Thread Tap and Round Die. Technology: Straight fluted design, fast chip removal, and no blocking make your threads machining faster and easier.
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BRITISH STANDARD WHITWORTH TAP & DIE SET BSW TAP DIE SET. THESE TAP & DIES ARE MOSTLY USED IN OLD AND BRITISH CARS AND MOTORCYCLES RESTORATION.
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The die OD is：38mm. There are a variety of sizes available but they are not all listed.
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This BSW left-hand thread tap and die set includes six units with tap thread sizes of 3/16, 1/4, 5/16, 3/8, 7/16, and 1/2. LEFT HAND THREAD BSW TAP DIE SET. BRITISH STANDARD WITH WORTH TAP & DIE SET.
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The die OD is：38mm. There are a variety of sizes available but they are not all listed.
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BSW LEFT HAND THREAD TAP AND DIE SET 3/16,1/4,5/16, 3/8,7/16,1/2 ENGLISH THREAD BSW TAP DIE SET - LEFT HAND MUST FOR THE CLASSIC & VINTAGE OLD CAR / BIKE RESTORER ETC SIZE: 3/16" to 1/2" SET CONSISTS OF : SET OF 3 TAPS & SPLIT DIE OF (OD 1" & 1.1/2") 3/16" x 24 TPI, 1/4" x 20 TPI, 5/16" x 18 TPI ,3/8" x 16 TPI, 7/16" x 14 TPI, 1/2" x 12 TPI, THESE TAP & DIES ARE MOSTLY USED IN OLD AND BRITISH CARS AND MOTORCYCLES RESTORATION.
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Item model number 1/4"-28 UNF Left Hand. Size 1/4"-28 UNF Left Hand. Be sure to select the appropriate cutting oil for the complex tapping process and apply anti-rust oil for maintenance after use. Generally used in conjunction with tapping machines, integrated bench drills, CNC lathes, machining centers, etc.
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