MODEL ENGINEERING : MATERIALS : STEEL : BRASS : COPPER : ALUMINIUM : ETC : LOCOMOTIVE DRAWINGS & GM OR IRON CASTINGS : STEAM FITTNGS : BOGIES : SCREWS : RIVETS : SOLDERS : TOOLING : OILS : METAL FINISHING : MODEL ENGINEERING BOOKS : ETC.

THREADS - THREADS PER INCH
TAPPING DRILL SIZE REQUIRED

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M. E. THREAD.....1/8" x 40 TPI-Tapping drill 2.40mm 01.09
M. E. THREAD.....5/32" x 40 TPI-Tapping drill 3.20mm 01.18
M. E. THREAD,,,,,3/16" x 40 TPI-Tapping drill 3.90mm 01.36
M. E. THREAD.....7/32" x 40 TPI-Tapping drill 4.70mm 01.66
M. E. THREAD.....1/4" x 40 TPI-Tapping drill 6.40mm 02.52
M. E. THREAD.....9/32" x 40 TPI-Tapping drill 6.50mm 02.22
M. E. THREAD.....5/16" x 40 TPI-Tapping drill 7.40mm 03.38
M. E. THREAD.....3/8" x 40 TPI-Tapping drill 8.90mm 04.90
M. E. THREAD.....7/16" x 40 TPI-Tapping drill 10.50mm 05.88
M. E. THREAD.....1/2" x 40 TPI-Tapping drill 12.00mm 08.06
M. E. THREAD.....1/4" x 32 TPI-Tapping drill 5.40mm 02.00
M. E. THREAD.....9/32" x 32 TPI-Tapping drill 6.10mm 02.42
M. E. THREAD.....5/16" x 32 TPI-Tapping drill 7.00mm 02.53
M. E. THREAD.....3/8" x 32 TPI-Tapping drill 8.60mm 04.56
M. E. THREAD.....7/16" x 32 TPI-Tapping drill 10.30mm 08.06
M. E. THREAD.....1/2" x 32 TPI-Tapping drill 11.90mm 11.33
M. E. THREAD.....1/4" x 26 TPI-Tapping drill 5.30mm 01.95
M. E. THREAD.....5/16" x 26 TPI-Tapping drill 6.90mm 02.97
M. E. THREAD.....3/8" x 26 TPI-Tapping drill 8.30mm 04.23
M. E. THREAD.....7/16" x 26 TPI-Tapping drill 9.90mm 06.15
M. E. THREAD.....1/2" x 26 TPI-Tapping drill 11.50mm 07.18
M. E. THREAD.....9/16" x 26 TPI-Tapping drill 13.00mm 09.78
M. E. THREAD.....5/8" x 26 TPI-Tapping drill 14.70mm 11.60
M. E. THREAD.....3/4" x 26 TPI-Tapping drill 17.80mm 21.60
B.A. THREADS.....0BA x 25.40 TPI-Tapping drill 5.10mm 01.83
B.A. THREADS.....1BA x 28.20 TPI-Tapping drill 4.50mm 01.30
B.A. THREADS.....2BA x 31.40 TPI-Tapping drill 4.00mm 01.14
B.A. THREADS.....3BA x 34.80 TPI-Tapping drill 3.50mm 01.05
B.A. THREADS.....4BA x 38.50 TPI-Tapping drill 3.00mm 00.94
B.A. THREADS.....5BA x 43.00 TPI-Tapping drill 2.70mm 01.10

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STEEL BILLETS
CUT TO SIZE
UP TO 10" DIAMETER


 

RING 01327 878988 FOR
GLR GIFT VOUCHERS


 

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