Drill HSS
Drill HSS Code 150+200
Tapping Drills HSS for UNF ANF NF taps
Tapping Drills sizes shown below is a guide to the best of our knowledge, for your convenience. You MUST check other technical sources to ensure tapping drill sizes shown are correct for your requirement, as we cannot be held responsible

Tapping Drill HSS for UNF ANF NF taps

1/4x28 UNF ANF taps use 5.5mm tapping drill. 5/16x24 UNF ANF tap use 6.9mm tapping drill, 3/8x24 UNF taps use 8.6mm tapping drill, 7/16x20 ANF taps use 9.9mm tapping drill, 1/2x20 UNF ANF taps use 11.6mm tapping drill, 9/16x18 UNF ANF taps use 12.9mm tapping drill, 5/8x18 UNF taps use 14.5mm tapping drill, 3/4x16 ANF taps use 17.5mm tapping drill, 7/8x14 UNF tap use 20.4mm tapping drill, 1"x12 UNF ANF taps use 23.25mm tapping drill, 1.1/8x12 UNF ANF taps use 26.5mm tapping drill, 1.1/4x12 UNF ANF taps use 29.5mm tapping drill, 1.3/8 x 12 NF taps use 32.75mm tapping drill, 1.1/2x12 UNF ANF taps use 36mm tapping drill

0x80 UNF ANF taps use 1.25mm tapping drill, 1x72 UNF ANF taps use 1.55mm tapping drill, 2x64 UNF ANF taps use 1.9mm tapping drill, 3x56 UNF ANF tapsuse 2.15mm tapping drill, 4x48 UNF taps use 2.4mm tapping drill, 5x44 UNF ANF taps use 2.7mm tapping drill, 6x40 UNF ANF taps use 2.95mm tapping drill, 8x36 UNF ANF taps use 3.5mm tapping drill, 10x32 UNF ANF taps use 4.1mm tapping drill, 12x28 UNF tap use 4.7mm tapping drill

Drills HSS are Excellent British-made superior quality tapping drills - Drills upto 12mm diameter are Straight Shank HSS drills to BS 338 - Drills above 12mm diameter are Morse Taper Shank HSS drills to DIN 345 - All right hand, Metric drills 

Contact Us for HSS drills, Carbide tipped drills, Cobalt drills, 1/2" shank drills, MTS = Morse Taper Shank drills, Stub drills, Long drills, Drill blanks, Lefthand drills, Centre drills, Quick helix + Slow Helix drills - We despatch SAMEDAY or in two working days, as we offer 8000 types/sizes & depends on rush of order
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Guide for TAPPING DRILLS  shown below for each size of our Taps  :- 

Tapping drill for 0 x 80 UNF tap Use 1.25mm straight shank Drill HSS

Now Only
HDM01.25 - 150
:   kg
!
Tapping drill for 0 x 80 UNF tap Use 1.25mm straight shank Drill HSS

Tapping drill for 1 x 72 UNF tap Use 1.55mm straight shank Drill HSS

Now Only
HDM01.55 - 150
:   kg
!
Tapping drill for 1 x 72 UNF tap Use 1.55mm straight shank Drill HSS

Tapping drill for 2 x 64 UNF tap Use 1.90mm straight shank Drill HSS

Now Only
HDM01.55 - 150
:   kg
!
Tapping drill for 2 x 64 UNF tap Use 1.90mm straight shank Drill HSS

Tapping drill for 3 x 56 UNF tap Use 2.15mm straight shank Drill HSS

Now Only
HDM02.15 - 150
:   kg
!
Tapping drill for 3 x 56 UNF tap Use 2.15mm straight shank Drill HSS

Tapping drill for 4 x 48 UNF tap Use 2.40mm straight shank Drill HSS

Now Only
HDM02.40 - 150
:   kg
!
Tapping drill for 4 x 48 UNF tap Use 2.40mm straight shank Drill HSS

Tapping drill for 5 x 44 UNF tap Use 2.70mm straight shank Drill HSS

Now Only
HDM02.70 - 150
:   kg
!
Tapping drill for 5 x 44 UNF tap Use 2.70mm straight shank Drill HSS

Tapping drill for 6 x 40 UNF tap Use 2.95mm straight shank Drill HSS

Now Only
HDM02.95 - 150
:   kg
!
Tapping drill for 6 x 40 UNF tap Use 2.95mm straight shank Drill HSS

Tapping drill for 8 x 36 UNF tap Use 3.50mm straight shank Drill HSS

Now Only
HDM03.50 - 150
:   kg
!
Tapping drill for 8 x 36 UNF tap Use 3.50mm straight shank Drill HSS

Tapping drill for 10 x 32 UNF tap Use 4.10mm straight shank Drill HSS

Now Only
HDM04.10 - 150
:   kg
!
Tapping drill for 10 x 32 UNF tap Use 4.10mm straight shank Drill HSS

Tapping drill for 12 x 28 UNF tap Use 4.70mm straight shank Drill HSS

Now Only
HDM04.70 - 150
:   kg
!
Tapping drill for 12 x 28 UNF tap Use 4.70mm straight shank Drill HSS

Tapping drill for 1/4 x 28 UNF tap Use 5.50mm straight shank Drill HSS

Now Only
HDM05.50 - 150
:   kg
!
Tapping drill for 1/4 x 28 UNF tap Use 5.50mm straight shank Drill HSS

Tapping drill for 5/16 x 24 UNF tap Use 6.90mm straight shank Drill HSS

Now Only
HDM06.90 - 150
:   kg
!
Tapping drill for 5/16 x 24 UNF tap Use 6.90mm straight shank Drill HSS

Tapping drill for 3/8 x 24 UNF tap Use 8.50mm straight shank Drill HSS

Now Only
HDM08.50 - 150
:   kg
!
Tapping drill for 3/8 x 24 UNF tap Use 8.50mm straight shank Drill HSS

Tapping drill for 7/16 x 20 UNF tap Use 9.90mm straight shank Drill HSS

Now Only
HDM09.90 - 150
:   kg
!
Tapping drill for 7/16 x 20 UNF tap Use 9.90mm straight shank Drill HSS

Tapping drill for 1/2 x 20 UNF tap Use 11.50mm straight shank Drill HSS

Now Only
HDM11.50 - 150
:   kg
!
Tapping drill for 1/2 x 20 UNF tap Use 11.50mm straight shank Drill HSS

Tapping drill for 9/16 x 18 UNF tap Use 12.90mm Morse Taper Shank MTS 1 Drill HSS

Now Only
HDTM12.90 - 200
:   kg
!
200_mts_drill
Tapping drill for 9/16 x 18 UNF tap Use 12.90mm Morse Taper Shank MTS 1 Drill HSS

Tapping drill for 5/8 x 18 UNF tap Use 14.50mm Morse Taper Shank MTS 2 Drill HSS

Now Only
HDTM14.50 - 200
:   kg
!
200_mts_drill
Tapping drill for 5/8 x 18 UNF tap Use 14.50mm Morse Taper Shank MTS 2 Drill HSS

Tapping drill for 3/4 x 16 UNF tap Use 17.50mm Morse Taper Shank MTS 2 Drill HSS

Now Only
HDTM17.50 - 200
:   kg
!
200_mts_drill
Tapping drill for 3/4 x 16 UNF tap Use 17.50mm Morse Taper Shank MTS 2 Drill HSS

Tapping drill for 7/8 x 14 UNF tap Use 20.50mm Morse Taper Shank MTS 2 Drill HSS

Now Only
HDTM20.50 - 200
:   kg
!
200_mts_drill
Tapping drill for 7/8 x 14 UNF tap Use 20.50mm Morse Taper Shank MTS 2 Drill HSS

Tapping drill for 1" x 12 UNF tap Use 23.25mm Morse Taper Shank MTS 3 Drill HSS

Now Only
HDTM23.25 - 200
:   kg
!
200_mts_drill
Tapping drill for 1" x 12 UNF tap Use 23.25mm Morse Taper Shank MTS 3 Drill HSS

Tapping drill for 1.1/8 x 12 UNF tap Use 26.50mm Morse Taper Shank MTS 3 Drill HSS

Now Only
HDTM26.50 - 200
:   kg
!
200_mts_drill
Tapping drill for 1.1/8 x 12 UNF tap Use 26.50mm Morse Taper Shank MTS 3 Drill HSS

Tapping drill for 1.1/4 x 12 UNF tap Use 29.50mm Morse Taper Shank MTS 1 Drill HSS

Now Only
HDTM29.50 - 200
:   kg
!
200_mts_drill
Tapping drill for 1.1/4 x 12 UNF tap Use 29.50mm Morse Taper Shank MTS 1 Drill HSS