TY  - BOOK
AU  - Bradley,Ian
AU  - Hallows,Norman F.
TI  - Screw threads and twist drills
SN  - 0852423578 :
AV  - TJ1338 .B72 1974
U1  - 621.9/44 
PY  - 1974///
CY  - Hemel Hempstead
PB  - Model and Allied Publications
KW  - Screw-threads
KW  - Twist drills
N1  - Includes index
ER  -