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Home > Product Lines > Hole Making > Fine Boring Tools>NBF Fine Boring Head for Small Hole

Product Features

● boring range: Φ2-Φ50mm 

● boring head adjustment accuracy 0.005 mm/lattice 

● three grades 

1, Φ2-Φ22mm boring head E40 interface, boring bar connecting rod diameter 10

2, Φ6-Φ50mm boring head E50/E63 interface, boring rod connecting rod diameter 16

● boring diameter less than 6 for solid carbide boring rod, more than 6

● for indexable insert steel boring rod 

● length-diameter ratio (L/D) more than 8 times the diameter of the optional solid carbide boring rod



  • Steel

  • Stainless steel

  • Cast iron

  • Non-ferrous metal

  • Super Heat resistant alloy

  • Hardened steel

Product Ranges

NBF Fine Boring Head for Small Hole

NBF 系列小孔径微调精镗刀.jpg

DesignationDcLDD1dKgFigBoring bar
NBF D02-22.E40.50.C2-225040-100.5ANBF C10-6 ST06E..
ST10..
ST10E..
NBF D06-50.E50.65.C6-50655063161.15BST16 ..
ST16E..
NBF D06-50.E63.70.C6-507063-161.55AST16 ..
ST16E..

●The boring bar should be ordered separately,please click here.

●The adaptor should be ordered separately,please click here.

●Recommended cutting data please click here.

●The adjusting range is -0.2~+1.2mm when Dc range is 2-22.

  The adjusting range is -0.2~+3.3mm when Dc range is 6-50.


如何使用.jpg

加工中照片.jpg  刀具图片.jpg  加工后图片.jpg

Tool informationExisting cutting tool 1Existing cutting tool 2Test Tool 2
BrandBIGBIGSOMGDE
Cutter body (cutter head, arbor, Shank) modelSLN200-270(Rough Boring Tool）SLN200-270（Precision Boring Tool）SNL 210-290.C
（Coarse and Fine Boring Tool）
Diameter(mm)240240240
Number of teeth211
Blade and cutting tool typeCCMT 120408TCGT110204L AC520U（BIG）TCGT110204L AC520U(BIG)
Number of blade/blade233
Speed(rpm)210200300
Linear Velocity VC(M/min)158150225
Feed rate per tooth(mm/z)0.1070.180.132
Per feed transfer(mm/rev)0.2140.180.132
Table/spindle feed(mm/min)453640
Cutting Depth ap(mm)444
Processing Surface roughnessRa
Ra4.0Ra3.0
Processing length L(mm)280280280
Single piece processing time(S）373467420
Number of work pieces processed
11


August 21 test, provided by the customer blade, test knife body size stability, coarse and fine one-way vibration-free knife phenomenon, up and down hole size changes in. 005, save half precision time 6.2 min, test results approved by customers.


Latest information updating....

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Focus on Sund knives

Customer Service Center

Address: No. 18 Lianzhu Rd. Huaxi Street Changxing Huzhou Zhejiang China

Tel: 0572-6635088

Fax: 0572-6032599

Postcode: 313100