We are currently experiencing an issue where all items not in stock are showing a 3-4 week lead time. This lead time is not accurate. To confirm lead times, please get in touch with us by calling 01924 869610 or email sales@cutwel.net. We are working to resolve this issue as soon as possible.

35% OFF SPOT DRILLS, CENTRE DRILLS & COUNTERSINKS – OFFER ENDS TODAY

We'd like to thank all our customers for their business during 2024, and we wish everyone a very happy Christmas and New Year.

Cutwel will close at 3pm on Monday 23rd December 2024, and reopen at 8am on Thursday 2nd January 2025. Any orders placed online over the Christmas period will be processed on the 2nd of January when we return.

Free Next Day Delivery
on orders over £59 ex vat*

Expert Technical Team
Get advice on 01924 869 615

Same Day Despatch
On orders placed up to 5.30pm

6mm x 21mm Microscope Coated Carbide Back Boring Insert - GLIH Series (Cutwel Pro)

Cutwel Sku
GLIH6-6R020L21

6mm x 21mm Microscope Coated Carbide Back Boring Insert - GLIH Series (Cutwel Pro)

Cutwel Sku
GLIH6-6R020L21

Key Features

available Solid carbide TiAlN coated inserts.
available Ideal for internal back boring applications.
available Machining diameter from 3mm to 6mm.
Read More
Overall Length (mm)21
green In Stock for Next Day Delivery *
minus plus
View Full Range
*Geographical & product exclusions apply. Delivery calculated on checkout.

Need Help?

Contact Sales

01924 869660 Mon - Thurs 8am - 6pm Fri 8am - 5:30pm

Specification

Category Lathe Tools
Sub Category Multifunctional Lathe Tools
Sub Category 2 Microscope Internal System
Overall Length (mm) 21
Reach (mm) 2
Min Bore 6.1
T 1.9
Brand Cutwel Pro
Part Numbers
  • Cutwel Part Number GLIH6-6R020L21

Description

These Microscope internal back boring inserts come in either 3mm, 4mm or 6mm diameters and range in bore depths from 11mm to 21mm. The Korloy Microscope system can be clamped either directly into the machine or by a boring bar sleeve. Microscope solid carbide micro internal machining tools are ideal for small part machining including fittings, valves, medical, automotive & semiconductors.

Features & Benefits

  • Solid carbide TiAlN coated inserts.
  • Ideal for internal back boring applications.
  • Machining diameter from 3mm to 6mm.
  • For Microscope holders from 1.5mm to 2mm.
  • Min. bore diameter from 3.1mm to 6.1mm.
  • Microscope system ideal for small part machining (e.g. fittings, valves,medical, automotive and semiconductors).

What time are we open?

We are open Monday to Friday and able to dispatch orders between 8am and 5:45pm Monday to Thursday, and up to 5pm on Friday.

What delivery services do we offer?

To mainland UK we offer FREE UK next day delivery on all standard orders above £59 (ex vat), and £79 (ex vat) on all orders including any liquids.*

Alternatively, we offer a FREE Click and Collect service from our distribution centre in Cleckheaton, West Yorkshire. Click here for the full address.

For standard orders under £59 (ex vat), we offer the following:

  • 1st class post - £2.49
  • DPD Standard Next Day Delivery - £6.50
  • DPD Next Day Pre-12pm - £9.50 or (£5.00 on orders over £59 (ex VAT))
  • DPD Next Day Pre-10.30am - £17.00

For orders containing liquids under £79 (ex vat),  standard UK Mail Next Day Delivery is £8.00 and UK Mail Next Day Pre-12pm Delivery is £13.00.

We also offer Saturday delivery for those that require it. If you order before 5pm on a Friday we offer a range of options which can be viewed here.

For a full breakdown of costs for all types of item and geographical locations including Scottish Highlands, Northern Ireland, Channel Islands & Republic of Ireland, click here.

How do I return an order/item?

Our returns policy is easier than ever. We understand that if an item isn’t correct, then it needs to be returned. If you are wanting to return anything supplied by Cutwel please see our returns page for full instructions.

*T’s & C’s and exclusions apply. Please see our delivery page for more information on all our services including those outside of mainland UK (Republic of Ireland, Northern Ireland, Scottish Highlands, Channel Islands etc).

Filter Items arrow
Code Overall Length (mm) Reach (mm) Min Bore T Stock Price
(Ex VATInc. VAT)
Filter Items
cross
Overall Length (mm)
carrat-down
Reach (mm)
carrat-down
Min Bore
carrat-down
T
carrat-down
Overall Length (mm): 11 Reach (mm): 1.5 Min Bore: 3.1 T: 0.8
green In Stock for Next Day Delivery *
£22.16 £18.47
minus plus
Overall Length (mm): 16 Reach (mm): 1.5 Min Bore: 3.1 T: 0.8
green In Stock for Next Day Delivery *
£22.16 £18.47
minus plus
Overall Length (mm): 11 Reach (mm): 2 Min Bore: 4.1 T: 1.3
green In Stock for Next Day Delivery *
£22.88 £19.07
minus plus
Overall Length (mm): 16 Reach (mm): 2 Min Bore: 4.1 T: 1.3
green In Stock for Next Day Delivery *
£24.29 £20.24
minus plus
Overall Length (mm): 21 Reach (mm): 2 Min Bore: 4.1 T: 1.3
green In Stock for Next Day Delivery *
£25.70 £21.42
minus plus
Overall Length (mm): 11 Reach (mm): 2 Min Bore: 6.1 T: 1.9
green In Stock for Next Day Delivery *
£29.28 £24.40
minus plus
Overall Length (mm): 16 Reach (mm): 2 Min Bore: 6.1 T: 1.9
red Available for Delivery within 3-6 Months *
£30.68 £25.57
minus plus
Overall Length (mm): 21 Reach (mm): 2 Min Bore: 6.1 T: 1.9
green In Stock for Next Day Delivery *
£32.15 £26.79
minus plus

*Geographical & product exclusions apply for next day delivery (calculated on checkout). Any other lead times shown are estimated and subject to availability.