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MICRO 100 Boring Bar: Boring, 3/8 in Shank Dia., 0.2760 in Center to Cutting Tip - Machining
MICROMachining

MICRO 100 Boring Bar: Boring, 3/8 in Shank Dia., 0.2760 in Center to Cutting Tip

The MICRO 100 Boring Bar (MPN TBBL-375) is a left-hand boring tool with a 3/8 in shank diameter and a 0.2760 in center-to-cutting-tip dimension. 3G Electric sources this genuine machining tool across 14 industrial…

SKU 3G-OTH-247717

Also listed as: TBBL375 · TBBL 375

Brand
MICRO
Item
100 Boring Bar: Boring, 3/8 in Shank Dia., 0.2760 in Center to Cutting Tip
Category
Machining
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

MICRO
Manufacturer Part Number
TBBL-375
Type
0.2760 in Center to Cutting Tip, Left Hand
Shank Dia.
3/8 in

Technical Documents

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MICRO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MICRO 100 Boring Bar (MPN TBBL-375) is a left-hand boring tool with a 3/8 in shank diameter and a 0.2760 in center-to-cutting-tip dimension. 3G Electric sources this genuine machining tool across 14 industrial departments, with specialist expertise in combustion, pumps, and controls ensuring accurate sourcing and support.

Frequently Asked Questions

What is the MICRO 100 TBBL-375 boring bar used for?

The MICRO 100 TBBL-375 is a left-hand boring bar used for internal machining operations such as enlarging holes, creating precise internal diameters, and finishing bores in metal parts. It is commonly applied in CNC and manual lathe work across industries like aerospace, automotive, and general manufacturing.

What are the specifications of the MICRO 100 TBBL-375 boring bar?

The MICRO 100 TBBL-375 boring bar has a 3/8 in shank diameter and a 0.2760 in center-to-cutting-tip dimension. It is a left-hand tool, designed for internal boring operations. The manufacturer part number is TBBL-375, and it is part of MICRO 100's precision machining line.

Where to buy the MICRO 100 TBBL-375 boring bar worldwide?

3G Electric supplies the MICRO 100 TBBL-375 boring bar to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this precision boring bar.

How to select the correct boring bar for a lathe operation?

To select the correct boring bar, match the shank diameter to your tool holder, choose the reach length for your bore depth, and confirm the cutting tip orientation (left or right hand). For the MICRO 100 TBBL-375, the 3/8 in shank and left-hand design suit internal boring where the tool feeds toward the chuck.

Used in

Common applications for MICRO
Aerospace machining — MICRO 100 SCLCR toolholders for turning titanium alloys
Automotive production — MICRO 100 SR series blanks for custom drill bits in engine blocks
Plastic component fabrication — MICRO 100 SFL downcut router bits for acrylic sheet cutting
Aluminum extrusion finishing — MICRO 100 SFA upcut router bits for deburring profiles
Mold and die making — MICRO 100 SCMCN toolholders for profiling hardened steel cavities
Composite panel trimming — MICRO 100 SFPM spiral router bits for carbon fiber laminates

MICRO Products

3G Electric supplies MICRO machining. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
MICRO 100 Boring Bar: Boring, 1/2 in Shank Dia., 3/8 in Center to Cutting Tip, Left Hand (MPN TBBL-500)
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MICRO 100 Boring Bar: Boring, 1/2 in Shank Dia., 3/8 in Center to Cutting Tip, Left Hand (MPN TBBL-500)
MICRO 100 Boring Bar: Boring, 5/16 in Shank Dia., 0.2570 in Center to Cutting Tip, Left Hand (MPN TBBL-312)
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MICRO 100 Boring Bar: Boring, 5/16 in Shank Dia., 0.2570 in Center to Cutting Tip, Left Hand (MPN TBBL-312)
MICRO 100 Boring Bar: Boring, 3/4 in Shank Dia., 0.5600 in Center to Cutting Tip, Left Hand (MPN TBBL-750)
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MICRO 100 Boring Bar: Boring, 3/4 in Shank Dia., 0.5600 in Center to Cutting Tip, Left Hand (MPN TBBL-750)
MICRO 100 Boring Bar: Boring, 5/8 in Shank Dia., 0.4830 in Center to Cutting Tip, Left Hand (MPN TBBL-625)
MICRO
MICRO 100 Boring Bar: Boring, 5/8 in Shank Dia., 0.4830 in Center to Cutting Tip, Left Hand (MPN TBBL-625)
MICRO 100 Boring Bar: Boring, 1 in Shank Dia., 0.7330 in Center to Cutting Tip, Left Hand (MPN TBBL-001)
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MICRO 100 Boring Bar: Boring, 1 in Shank Dia., 0.7330 in Center to Cutting Tip, Left Hand (MPN TBBL-001)
MICRO 100 Boring Bar: Boring, 3/8 in Shank Dia., 0.2760 in Center to Cutting Tip, Right Hand (MPN TBB-375)
MICRO
MICRO 100 Boring Bar: Boring, 3/8 in Shank Dia., 0.2760 in Center to Cutting Tip, Right Hand (MPN TBB-375)

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