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Bi-Metal H...
Bi-Metal Hole Saws
产品名称:Bi-Metal Hole Saws
产品编号:— 发布日期: 2019/11/19
产品产地:江苏无锡 产品规格:可根据用户需求定制
产品商标:无锡蓬天工具有限公司
产品详细 在线留言 收藏此信息
无锡蓬天工具有限公司
销售科
电话:0510-85552759
传真:请登录后查看
地址:无锡市滨湖区山水东路803号
邮编:214000
网址:http://wxptgj.114qy.com
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  详细说明

High speed steel Bi-metal Hole Saws are rugged cutting tools designed to cut accurate holes in machinable materials up to 1-3/8'', 35mm thick. Ranging in size form 9/16",14mm to 6'',152mm in diameter, they can be uses in portable electric, air tools, drill presses, lathes, boring mills, milling machines or any other machine which has a rotating spindle.

Hole Saws have 4/6 vari-pitch tooth design and are recommended for cutting steel and cast iron pipe, steel plates, aluminium, copper, brass, stainless steel, wood and plastics,Furnished in standard size as listed and in handy assortments.

IMPORTANT!

   
   (r/min)  
 
Dia. Mild
Steed
Stainless
Steel
Cast Iron Brass Aluminum Wood

14

580

300

400

790

900

3000

16

550

275

365

730

825

3000

17

500

250

330

665

750

3000

19

460

240

300

600

690

3000

20

435

230

290

580

660

3000

21

425

210

280

560

635

3000

22

390

195

260

520

585

3000

24

370

185

245

495

555

3000

25

350

175

235

470

525

2700

27

325

160

215

435

480

2700

29

300

150

200

400

450

2700

30

285

145

190

380

425

2400

32

275

140

180

360

410

2400

33

260

135

175

345

390

2400

35

250

125

165

330

375

2400

37

240

120

160

315

360

2400

38

230

115

150

300

345

2400

40

220

110

145

290

330

2100

41

210

105

140

280

315

2100

43

205

100

135

270

305

2100

44

195

95

130

260

295

2100

46

190

95

125

250

285

2100

48

180

90

120

240

270

2100

51

170

85

115

230

255

2000

52

165

80

110

220

245

2000

54

160

80

105

210

240

2000

57

150

75

100

200

225

2000

59

145

75

100

195

225

2000

60

140

70

95

190

220

2000

64

135

65

90

180

205

1800

65

130

65

85

175

200

1800

67

130

65

85

170

195

1800

68

130

65

85

170

195

1800

70

125

60

80

160

185

1800

73

120

60

80

160

180

1800

76

115

55

75

150

170

1500

79

110

55

70

140

165

1500

83

105

50

70

140

155

1500

86

100

50

65

130

150

1200

89

95

45

65

130

145

1200

92

95

45

60

120

140

1200

95

90

45

60

120

130

1200

98

90

45

60

120

135

1200

102

85

40

55

110

130

1000

105

80

40

55

110

120

1000

108

80

40

55

110

120

900

111

80

40

50

100

120

900

114

75

35

50

100

105

900

121

70

35

45

95

95

900

127

65

30

40

90

90

800

133

65

30

45

90

90

800

140

60

25

40

85

85

800

146

60

25

40

85

85

800

152

55

25

35

75

75

800


 

For sale use of hole saws use the correct rotation speed. The correct speed for each size is given in the table.

For longer saw life and lower operating costs, the following recommendation need to be observed:

1.Use the correct arbor for the size saw to be used.

2.Use pin-type arbors for hole saws larger than Dia.32. When mounting, Lift up the disc with the pins and then screw the arbor down into the hole saw as far as it will go. Fit the drive pins into the pin holes in the hole saw by turning the hole saw backwards. Push the pins in .Check that they are securely locked.

3.Check regularly to make sure the drive pins are in the right position.

4.Check that the arbor shank is securely inserted in the chuck on the drive unit. Tighten with chuck key.

5.Cutting oil should be used when sawing steel.
Do not use cutting oil when sawing cast iron. The cutting pressure should, however, be high so that each tooth cuts deep.
Paraffin can be used when sawing aluminium. 

6.Use the correct rotation speed! Too high or too low a speed will decrease the life of the cutting edge.

7.If the hole saw vibrates during sawing, the teeth may became damaged and break. The result is often a rough, imperfect hole.

8.Apply the hole saw perpendicular to the workpiece. If the hole saw is titled, this will cause uneven loading and abnormal wear on both the saw teeth and the grilling machine. Moreover, the dimensional accuracy of the hole saw can be affected.

9.Clear away chips and slugs frequently in order to prevent overheat

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