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Aviation History
1939
1939 - 1355.PDF
32 FLIGHT. ADVERTISEMENTS. MAY 4, 1939. SHAKEPROOF THREAD-CUTTING SCREWS Used on HANOLEY-PAGE BOMBERS Shakeproof Thread Cutting Screws actually cut their own standard machine screw thread from a drilled hole giving a perfectly secure fastening. This type, with its 120° countersunk oval head, allows a greater bear ing on the screw head with a minimum of countersinking. CUTS ITS OWN STANDARD MACHINE SCREW THREAD APPROVED BY THE AIR MINISTRY British Patent Nos. 386083, 386895, 467814, 468679, 468744. Others pending. All standard machine screw sires and heads are available. By their use assembly time is speeded up — cost of taps and tapping opera tions being eliminated. They can always be re moved when required and replaced by stan dard screws of the same size. CUTS ITS OWN STANDARD MACHINE SCREW THREAD Full data, particulars of test and recommendations, with specimens for testing, will be supplied on request. SHAKEPROOF THREAD CUTTING SCREWS MADE BY THE! I MANUFACTURERS OF # THE SHAKEPROOF 0 LOCK WASHER*' BARBER & COLMAN LTD. HlMi-MCITFB TEL SALE 2J77 It LINFS1 MARSLAND-^ROAD GRAMS. BROOKLANDS •BARCOL" SALE fto yA+Xls <*- jyf^irjyU^i^ for R.A.F. officers to get really well tailored kit with speed and economy. But at our Regent Street shop we have a department that exists especially to help them. And for the convenience of officers who are unable to come up to Town, a representative calls regularly at R.A.F. Depots and Schools throughout the country. If you wish, he will visit you at any time by appointment. You can obtain your entire kit at moderate prices, and made throughout in strict accordance with Air Ministry regulations, from Austin Reed of Regent Street. And in this, as in every branch of our business, you can be sure that your personal requirements will be met with under standing attention and carried out by experts. As a preliminary, may we send you a copy of our R.A.F. booklet?—post free, of course. AUSTIN REED OF REGENT STREET 103-113 REGENT STREET, LONDON, Wl
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