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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B.A. THREADS.....6BA x 47.90 TPI-Tapping drill 2.30mm 01.09
B.A. THREADS.....7BA x 52.90 TPI-Tapping drill 2.10mm 01.00
B.A. THREADS.....8BA x 59.10 TPI-Tapping drill 1.80mm 01.14
B.A. THREADS.....9BA x 65.10 TPI-Tapping drill 1.50mm 01.15
B.A. THREADS.....10BA x 72.60 TPI-Tapping drill 1.40mm 01.30
B.A. THREADS.....11BA x 81.90 TPI-Tapping drill 1.20mm 01.43
B.A. THREADS.....12BA x 90.90 TPI-Tapping drill 1.00mm 01.37
B.S.P. THREAD.....1/8" x 28 TPI-Tapping drill 8.60mm 04.56
B.S.P. THREAD.....1/4" x 19 TPI-Tapping drill 11.50mm 07.18
B.S.P. THREAD.....3/8" x 19 TPI-Tapping drill 15.00mm 21.40
B.S,P. THREAD.....1/2" x 14 TPI-Tapping drill 18.50mm 48.42
B.S.F. THREADS.....3/16" x 28 TPI-Tapping drill 4.00mm 01.14
B.S.F. THREADS.....7/32" x 28 TPI-Tapping drill 4.70mm 01.66
B.S.F. THREADS.....1/4" x 26 TPI-Tapping drill 5.40mm 02.00
B.S.F. THREADS.....9/32" x 26 TPI-Tapping drill 6.200mm 02.46
B.S.F. THREADS.....5/16" x 22 TPI-Tapping drill 6.90mm 02.97
B.S.F. THREADS.....3/8" x 20 TPI-Tapping drill 8.300mm 04.23
B.S.F. THREADS.....7/16" x 18 TPI-Tapping drill 9.80 06.03
B.S.F. THREADS.....1/2" x 18 TPI-Tapping drill 11.10mm 09.65
B.S.W. THREADS.....1/8" x 40 TPI-Tapping drill 1.15mm 01.65
B.S.W. THREADS.....5/32" x 32 TPI-Tapping drill 3.20mm 01.18
B.S.W. THREADS.....3/16" x 24 TPI-Tapping drill 3.80mm 01.34
B.S.W. THREADS.....7/32" x 24 TPI-Tapping drill 4.60mm 01.63
B.S.W. THREADS.....1/4" x 20- TPI-Tapping drill 5.20mm 01.50
B.S.W. THREADS.....5/16" x 18 TPI-Tapping drill 6.60mm 02.22
B.S.W. THREADS.....3/8" x 16 TPI-Tapping drill 8.00mm 03.29
B.S.W. THREAD.....7/16" x 14 TPI-Tapping drill 9.30mm 05.37
B.S.W. THREAD.....1/2" x 12 TPI-Tapping drill 10.70mm 08.87
METRIC COURSE.....2.00mm x 0.40-Tapping drill No. 1.60mm 01.02
METRIC COURSE.....2.50mm x 0.45-Tapping drill No. 2.05mm 01.75

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STEEL BILLETS
CUT TO SIZE
UP TO 10" DIAMETER


 

RING 01327 878988 FOR
GLR GIFT VOUCHERS


 

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