GBP 57 ​Hole saws bi-metal Robust unbreakable construction with variable toothing on flexible special steel body (bimetal). The reinforced stiff base is equipped with thread and drive pin holes (from ⌀ 32 mm) for secure mounting on the arbor. The high quality of the HSS teeth, the teeth geometry and the tight manufacturing tolerances guarantee the best cutting performance and tool life. 58 9010 – ■ Precision ground teeth – very quick sawing and clean cut edges. 58 9030 – ■ Variable tooth pitch 4.5 / 5.5 tpi with reinforced teeth (Tough Teeth). ■ Maximum depth of cut for all sizes 40 mm. ■ Optimised coating reduces heat development. ■ SPEED SLOT® − Quick removal of the drill plug by stepped recesses. The accessory system: 58 9010/9050 – ■ Vario toothing 4/6 tpi for low vibration. ■ Maximum depth of cut for all sizes 38 mm. Application: On pillar drills, lathes or hand-held power drills at the appropriate speed. For cutting circular holes from thin-walled to thick-walled material with a flat or convex workpiece surface. Hexagon Suitable for all materials such as steel, stainless steel, brass, copper, cast iron, light metal, wood, plasterboard and plastic panels etc. Use of lubricant will give increased tool life (metals). 58 9030 – Also highly suitable for thin sheet metal bodywork. 58 9430 Recommendation: The use of cutting oil such as No. 084205 size 0.25 extends the service life and permits Centre drill more rapid progress through the material. Note: Arbors and hole saws are compatible with all commercially available bi-metal hole saws apart from Bosch SDS. 58 9310_30 58 9310_210S For drill heads for stone see No. 788000. For carbide circle cutters for steel see No. 118400, 118500, 119000. Hole saw, Hole saw, 58 bi-metal size 14 – 30 mm bi-metal size 32 – 152 mm 58 9010 58 9030 58 9050 Diame- 58 9010 58 9030 58 9050 mended recom- recom- recom- Diame- 58 9010 58 9030 58 9050 mended recom- recom- recom- 58Z 58Z 52S 52S 51S 51S ter mended mended ter mended mended speed speed speed alu- speed speed speed alu- steel INOX minium steel INOX minium Hole saw, bi-metal Hole saw, bi-metal mm min-1 min-1 min-1 mm min-1 min-1 min-1 14 eShop eShop – 580 300 900 57 eShop ■ eShop eShop 150 75 225 16 eShop eShop – 550 275 825 60 eShop ■ eShop eShop 140 70 220 17 eShop ■ eShop – 500 250 750 64 eShop ■ eShop eShop 130 65 205 19 eShop eShop eShop 460 230 690 65 eShop eShop – 130 65 200 20 eShop ■ eShop – 445 220 660 67 eShop eShop eShop 130 65 195 21 eShop eShop – 425 210 630 68 eShop eShop eShop 130 65 190 22 eShop eShop eShop 390 195 585 70 eShop ■ eShop – 125 60 185 24 eShop eShop – 370 185 555 73 eShop eShop – 120 60 180 25 eShop ■ eShop eShop 350 175 525 76 eShop ■ eShop eShop 115 55 170 27 eShop ■ eShop – 325 180 480 79 eShop eShop – 110 55 165 29 eShop eShop – 300 150 450 83 eShop ■ eShop eShop 105 52 155 30 eShop ■ eShop eShop 285 145 425 86 eShop ■ eShop – 100 50 150 32 eShop ■ eShop eShop 275 140 410 89 eShop eShop – 95 45 145 33 eShop eShop – 260 135 390 92 eShop ■ eShop – 95 45 140 35 eShop eShop eShop 250 125 375 95 eShop ■ eShop – 90 45 135 37 eShop eShop – 240 120 360 102 eShop eShop – 85 40 120 38 eShop eShop eShop 230 115 345 105 eShop eShop – 80 40 120 40 eShop ■ eShop – 220 110 330 108 eShop eShop – 80 40 120 41 eShop eShop – 210 105 315 111 eShop eShop – 75 35 105 43 eShop ■ eShop – 205 100 305 114 eShop eShop – 75 35 105 44 eShop ■ eShop eShop 195 95 295 121 eShop eShop – 70 35 105 46 eShop eShop – 190 95 285 127 eShop ■ eShop – 65 30 90 48 eShop ■ eShop – 180 90 270 140 eShop eShop – 60 30 85 51 eShop ■ eShop eShop 170 85 255 152 eShop ■ eShop – 60 30 85 52 eShop eShop – 165 80 245 168 – eShop – 60 30 85 54 eShop ■ eShop – 160 80 240 210 – eShop – 60 30 85 448