HSS BRIGHT FINISH TAP SET

METRIC FINE 
Angle of thread is 60 degrees. The crest is flat and the thread has clearance at the root allowing external thread and internal thread to engage well. Larger root radius and lower thread height enable easy screw thread processing and increase thread screw strength. The major diameter of external thread and pitch are specified by a simple numerical value (most commonly measured in millimetres).

 

TAPER TAPS have a lead of eight threads and are used as a starting tap in difficult or high precision holes.

Manufactured from HSS this general purpose tap is designed for use in medium tensile materials and is for hand or general machine use.

INTERMEDIATE TAPS have a lead of four threads and are used in most general purpose applications to cut a thread true to a pre-drilled pilot hole.

BOTTOMING TAPS have a lead of two threads and are used to ensure minimum thread run-out when tapping to the bottom of a blind hole.

Bottoming Taps are typically preceded by the use of a Taper or Intermediate Tap.

Specifications

SKU BDO3021
Brand Bordo
Part no. Diameter (mm) Pitch (mm) Overall Length (mm) Tapping Drill (mm) Pack Quantity
3021-3.00TS 3 0.35 48 2.65 1
3021-4.00TS 4 0.5 53 3.5 1
3021-4.50TS 4.5 0.5 53 4 1
3021-5.00TS 5 0.5 58 4.5 1
3021-6.00TS 6 0.75 66 5.3 1
3021-7.00TS 7 0.75 66 6.25 1
3024-8.00TS 8 0.75 69 7.25 1
3021-8.00TS 8 1 69 7.1 1
3021-9.00TS 9 1 69 8 1
3024-10.00TS 10 0.75 76 9.25 1
3022-10.00TS 10 1 76 9 1
3021-10.00TS 10 1.25 76 8.9 1
3024-12.00TS 12 1 84 11 1
3022-12.00TS 12 1.25 84 10.5 1
3021-12.00TS 12 1.5 89 10.5 1
3024-14.00TS 14 1 90 13 1
3022-14.00TS 14 1.25 90 12.5 1
3021-14.00TS 14 1.5 95 12.5 1
3021-16.00TS 16 1 95 15 1
3024-16.00TS 16 1.25 95 14.75 1
3023-16.00TS 16 1.5 102 14.5 1
3021-18.00TS 18 1 104 17 1
3024-18.00TS 18 1.25 104 16.8 1
3022-18.00TS 18 1.5 104 16.5 1
3023-20.00TS 20 1.5 104 18.5 1
3021-20.00TS 20 2 112 18 1
3021-22.00TS 22 1.5 113 20.5 1
3024-22.00TS 22 2 118 20 1
3024-24.00TS 24 1.5 120 22.5 1
3021-24.00TS 24 2 120 22 1
3023-25.00TS 25 1.5 120 23.5 1
3021-27.00TS 27 2 127 25 1
3021-30.00TS 30 2 127 28 1
3021-32.00TS 32 1.5 137 30.5 1

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