12pcs 3030 L Corner Bracket Joining Plate T Slotted Accessories 3030 Hardware Connector 3030 with T Nuts and Screws Silver

AMAZON.COM

$ 33.50

Last price was updated on: 11th Dec 2025, 05:47 PM

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Pricing Analytics & Buying Assistance

Price Score: Good

Poor Average Good Excellent

Current Price $33.50

$26.80

Lowest

$40.00

Highest

Buying Advice:
Good – Worth buying. 43% chance price goes up. Buy soon.

Price History Benchmarks

Lowest Ever

$26.80

20th Nov 2025

Highest Ever

$40.00

8th May 2024

Average Price

$30.52

19 data points

Last 3M Low

$26.80

20th Nov 2025

Last 6M Low

$26.80

20th Nov 2025

Last 12M Low

$26.80

20th Nov 2025

Price History Chart

Product Variants

$18.50

10pcs 2020 Aluminum Extrusion Joint Plate Connector Corner L Bracket 8020 V Slot Hardware T Slot Accessories with T Nuts and Screws for Aluminum Profile 3D Printer Frame Black

$14.50

24pcs 2020 Extrusion Connector Bracket Joint Extruded Aluminum Hardware T-Slot Accessories V-Slot with Screws for 8020 Aluminum Profile 3D Printer Accessories Black

$36.50

12pcs 2040 Aluminum Extrusion Joint Plate Connector Corner T Bracket 12-Hole 2040 V Slot Hardware T Slotted Accessories With T Nuts and Screws For Aluminum Profile 3D Printer Frame Part Black

Image of 12pcs 4040 3-Way Corner Cube 4040 Extrusion Hardware T-Slot V-Slot Accessories with Screws and Nuts for 4040 Aluminum Extrusion Connector 3D Printer Accessories Black

$42.99

12pcs 4040 3-Way Corner Cube 4040 Extrusion Hardware T-Slot V-Slot Accessories with Screws and Nuts for 4040 Aluminum Extrusion Connector 3D Printer Accessories Black

$36.50

26pcs Seekliny 4040 Extrusion Connector Bracket Joint Extruded Aluminum Hardware T-Slot Accessories V-Slot with Screws for 8020 Aluminum Profile 3D Printer Accessories Black

Image of 12pcs 2020 3-Way Corner Cube 2020 Extrusion Hardware T-Slot V-Slot Accessories with Screws and Nuts for 2020 Aluminum Extrusion Connector 3D Printer Accessories Black

$22.99

12pcs 2020 3-Way Corner Cube 2020 Extrusion Hardware T-Slot V-Slot Accessories with Screws and Nuts for 2020 Aluminum Extrusion Connector 3D Printer Accessories Black

$24.99

12 Pack 2020 Extrusion Sliding Hook for 20 Series T-Slot V-Slot Aluminum Extrusion Hardware Accessories Silver

$42.50

24pcs Seekliny 3030 Extrusion Straight Connector Joining Plate Corner Bracket 3030 Hardware T-Slot Accessories with Screws for 8020 Aluminum Profile 3D Printer Frame Spare Parts Silver

$24.49

24pcs 3030 Aluminum Extrusion Corner Brackek Black 3030 Hardware Accessories T-Slot with Screws for 8020 Aluminum Profile 3D Printer Accessories

$33.50

12pcs 3030 Aluminum Extrusion Joint Plate Connector Corner L Bracket 3030 V Slot Hardware T Slotted Accessories with T Nuts and Screws for Aluminum Profile 3D Printer Frame Part Black

Image of 12pcs 3030 45/135 Degree Angle Corner Bracket 3030 Extrusion Hardware T-Slot V-Slot Accessories with Screws and Nuts for 3030 Aluminum Extrusion Connector 3D Printer Accessories Black

$30.59

12pcs 3030 45/135 Degree Angle Corner Bracket 3030 Extrusion Hardware T-Slot V-Slot Accessories with Screws and Nuts for 3030 Aluminum Extrusion Connector 3D Printer Accessories Black

$42.99

12pcs 4040 3-Way Corner Cube 4040 Extrusion Hardware T-Slot V-Slot Accessories with Screws and Nuts for 4040 Aluminum Extrusion Connector 3D Printer Accessories Silver

$36.50

12pcs 2040 Corner Bracket Angle 2040 Aluminum Extrusion Hardware T-Slot Accessories V-Slotted with T Nuts and Screws for 2040 Aluminum Profile 3D Printer Frame Parts Silver

$36.50

26pcs Seekliny 4040 Aluminum Extrusion Connector Corner Bracket Joining 4040 Hardware T-Slotted Accessories with Screws for 8020 Aluminum Profile 3D Printer Frame Spare Parts Silver

$22.99

12pcs 2020 3-Way Corner Cube 2020 Extrusion Hardware T-Slot V-Slot Accessories with Screws and Nuts for 2020 Aluminum Extrusion Connector 3D Printer Accessories Silver

Image of 12pcs 3030 Extrusion T Plate Joining Corner Brackets Connector T Slot Hardware 3030 V Slot Aluminum Extrusion Accessories with T Nuts and Screws for Extruded Aluminum Black

$33.50

12pcs 3030 Extrusion T Plate Joining Corner Brackets Connector T Slot Hardware 3030 V Slot Aluminum Extrusion Accessories with T Nuts and Screws for Extruded Aluminum Black

$12.50

24pcs 2020 Aluminum Extrusion Connector Corner Bracket Joining 2020 Hardware T-Slotted Accessories V-Slot with Screws for 8020 Aluminum Profile 3D Printer Frame Spare Parts Silver

$42.50

24pcs Seekliny 3030 Staight Connector Corner Bracket Joint Plate 3030 Hardware T-Slotted Accessories with Screws for 8020 Aluminum Profile 3D Printer Accessories Black

$29.50

12pcs 3030 Hardware 3-Way Corner Bracket Angel Connector 3030 Aluminum Extrusion V-Slot Accessories T-Slotted with Screws for 3030 Aluminum Profile 3D Printer Frame Accessories Black

$27.50

12pcs 3030 45 Degree Inside Corner Angle Support Bracket, 30x30 Aluminum Extrusion Connector Hardware Accessories T-Slot V-Slot Black

$42.99

24 Pack 4040 Corner Bracket Connector 40 Series Aluminum Extrusion Profile Accessories Hardware, 90 Degree Angle Bracket for 40x40 Extruded Aluminum Black

$29.50

12pcs 2040 Aluminum Extrusion Joint Plate Connector Corner L Bracket 7-Hole 2040 V Slot Hardware T Slotted Accessories with T Nuts and Screws for Aluminum Profile 3D Printer Frame Part Black

Image of 12pcs 2020 45/135 Degree Corner Bracket Connector 2020 Extrusion Hardware T-Slot V-Slot Accessories with Screws and Nuts for 2020 Extrusion Angle 3D Printer Framing Accessories Silver

$27.50

12pcs 2020 45/135 Degree Corner Bracket Connector 2020 Extrusion Hardware T-Slot V-Slot Accessories with Screws and Nuts for 2020 Extrusion Angle 3D Printer Framing Accessories Silver

$36.50

12pcs 2040 Angle Bracket Corner 2040 Extruded Aluminum Hardware V-Slot Accessories T-Slotted with T Nuts and Screws for 2040 Aluminum Profile 3D Printer Frame Accessories Black

Image of 10pcs 2020 Extrusion T Plate Joining Corner Bracket Connector T Slot Hardware 8020 V Slot Aluminum Extrusion Accessories with T Nuts and Screws for Extruded Aluminum Black

$49.50

10pcs 2020 Extrusion T Plate Joining Corner Bracket Connector T Slot Hardware 8020 V Slot Aluminum Extrusion Accessories with T Nuts and Screws for Extruded Aluminum Black

$18.50

10pcs 2020 Bracket T Plate Connector Joint Plate T Slot Hardware V Slot Accessories 8020 Aluminum Extrusion Bracket Silver

$20.99

24 Pack 2020 Corner Bracket Connector 20 Series Aluminum Extrusion Profile Accessories Hardware, 90 Degree Angle Bracket for 20x20 Extruded Aluminum Black

Image of 12pcs 4040 45/135 Degree Angle Corner Bracket 4040 Extrusion Hardware T-Slot V-Slot Accessories with Screws and Nuts for 4040 Aluminum Extrusion Connector 3D Printer Accessories Black

$51.50

12pcs 4040 45/135 Degree Angle Corner Bracket 4040 Extrusion Hardware T-Slot V-Slot Accessories with Screws and Nuts for 4040 Aluminum Extrusion Connector 3D Printer Accessories Black

$29.99

12 Pack 3030/4040 Extrusion Sliding Hook for 30/40 Series T-Slot V-Slot Aluminum Extrusion Hardware Accessories Black

$20.99

24 Pack 2020 Corner Bracket Connector 20 Series Aluminum Extrusion Profile Accessories Hardware, 90 Degree Angle Bracket for 20x20 Extruded Aluminum Black

Image of 12pcs 3030 45 Degree Inside Corner Angle Support Bracket, 30x30 Aluminum Extrusion Connector Hardware Accessories T-Slot V-Slot Silver

$27.50

12pcs 3030 45 Degree Inside Corner Angle Support Bracket, 30x30 Aluminum Extrusion Connector Hardware Accessories T-Slot V-Slot Silver

$46.50

12pcs 4040 3-Way Angel Bracket Corner Connector 4040 Aluminum Extrusion Hardware T-Slot Accessories V-Slotted with Screws for 4040 Aluminum Profile 3D Printer Frame Parts Silver

$42.99

24 Pack 4040 Corner Bracket Connector 40 Series Aluminum Extrusion Profile Accessories Hardware, 90 Degree Angle Bracket for 40x40 Extruded Aluminum Silver

$27.50

24pcs Seekliny 4040 Aluminum Extrusion Corner Bracket 4040 Hardware V-Slot Accessories T-Slot with Screws for 8020 Aluminum Profile 3D Printer Accessories Silver

$24.50

12pcs 2040 L Corner Bracket Joining Plate T Slotted Accessories 6-Hole 2040 Hardware Connector 2040 with T Nuts and Screws Silver

$29.99

12 Pack 3030/4040 Extrusion Sliding Hook for 30/40 Series T-Slot V-Slot Aluminum Extrusion Hardware Accessories Silver

Image of 12pcs 4040 45/135 Degree Corner Bracket Connector 4040 Extrusion Hardware T-Slot V-Slot Accessories with Screws and Nuts for 4040 Extrusion Angle 3D Printer Framing Accessories Silver

$51.50

12pcs 4040 45/135 Degree Corner Bracket Connector 4040 Extrusion Hardware T-Slot V-Slot Accessories with Screws and Nuts for 4040 Extrusion Angle 3D Printer Framing Accessories Silver

$18.49

24pcs 2020 Corner Bracket 2020 Aluminum Extrusion Hardware T-Slotted Accessories V-Slot with Screws for 8020 Aluminum Profile 3D Printer Frame Parts Silver

$49.50

10pcs 2020 Aluminum Extrusion Joint Plate Connector Corner L Bracket 8020 V Slot Hardware T Slot Accessories with T Nuts and Screws for Aluminum Profile 3D Printer Frame Black

$18.50

10pcs 2020 L Corner Bracket Joining Plate T Slotted Accessories 2020 Hardware Connector 8020 with T Nuts and Screws Silver

$46.50

12pcs 4040 Hardware 3-Way Corner Bracket Angel Connector 4040 Aluminum Extrusion V-Slot Accessories T-Slotted with Screws for 4040 Aluminum Profile 3D Printer Frame Accessories Black

$27.50

24pcs Seekliny 4040 Aluminum Extrusion Corner Bracket 4040 Hardware V-Slot Accessories T-Slot with Screws for 8020 Aluminum Profile 3D Printer Accessories Black

$49.50

12pcs 4040 Bracket Corner Angle 4040 Hardware V-Slot Aluminum Extrusion Accessories T-Slotted with T Nuts and Screws for 4040 Aluminum Profile 3D Printer Frame Accessories Black

Image of 12pcs 2020 2-Way Corner Angle Bracket Connector 2020 Extrusion Hardware T-Slot V-Slot Accessories with Screws and Nuts for 2020 Aluminum Extrusion Connector 3D Printer Accessories Black

$26.50

12pcs 2020 2-Way Corner Angle Bracket Connector 2020 Extrusion Hardware T-Slot V-Slot Accessories with Screws and Nuts for 2020 Aluminum Extrusion Connector 3D Printer Accessories Black

$29.50

12pcs 2040 Aluminum Extrusion Joint Plate Connector Corner L Bracket 6-Hole 2040 V Slot Hardware T Slotted Accessories with T Nuts and Screws for Aluminum Profile 3D Printer Frame Part Black

Image of 12pcs 3030 3-Way Corner Cube 3030 Extrusion Hardware T-Slot V-Slot Accessories with Screws and Nuts for 3030 Aluminum Extrusion Connector 3D Printer Accessories Black

$29.99

12pcs 3030 3-Way Corner Cube 3030 Extrusion Hardware T-Slot V-Slot Accessories with Screws and Nuts for 3030 Aluminum Extrusion Connector 3D Printer Accessories Black

$22.50

24pcs Black 3030 Extrusion Connector Bracket Joint Extruded Aluminum Hardware T-Slot Accessories V-Slot with Screws for 8020 Aluminum Profile 3D Printer Accessories

$29.50

24pcs 2020 Extrusion Straight Connector Joining Plate Corner Bracket 2020 Hardware T-Slot Accessories V-Slot with Screws for 8020 Aluminum Profile 3D Printer Frame Spare Parts Silver

$59.50

24pcs 4040 Extrusion Straight Connector Joining Plate Corner Bracket 4040 Hardware T-Slot Accessories V-Slot with Screws for 4040 Aluminum Profile 3D Printer Frame Spare Parts Silver

$18.49

24pcs 2020 Aluminum Extrusion Corner Bracket 2020 Hardware V-Slot Accessories T-Slot with Screws for 8020 Aluminum Profile 3D Printer Accessories Black

$29.50

12pcs 2020 Angle Bracket Corner 2020 Hardware Extruded Aluminum V-Slotted Accessories T-Slot with T Nuts and Screws for 8020 Aluminum Profile 3D Printer Frame Accessories Black

$49.50

10pcs Black 4040 Aluminum Extrusion Joint Plate Connector Corner L Bracket 4040 V Slot Hardware T Slotted Accessories with T Nuts and Screws for Aluminum Profile 3D Printer Frame Part

$14.50

12pcs 2020 Hardware 3-Way Corner Bracket Angel Connector for 2020 Aluminum Profile 3D Printer Frame Accessories Black 2020 Aluminum Extrusion V-Slot Accessories T-Slotted with Screws

Image of 12 pcs Black 2020 45/135 Degree Angle Corner Bracket 2020 Extrusion Hardware T-Slot V-Slot Accessories with Screws and Nuts for 2020 Aluminum Extrusion Connector 3D Printer Accessories

$25.99

12 pcs Black 2020 45/135 Degree Angle Corner Bracket 2020 Extrusion Hardware T-Slot V-Slot Accessories with Screws and Nuts for 2020 Aluminum Extrusion Connector 3D Printer Accessories

$24.50

12pcs 2040 L Corner Bracket Joining Plate T Slotted Accessories 7-Hole 2040 Hardware Connector 2040 with T Nuts and Screws Silver

$26.50

12pcs 2020 2-Way Corner Angle Bracket Connector 2020 Extrusion Hardware T-Slot V-Slot Accessories with Screws and Nuts for 2020 Aluminum Extrusion Connector 3D Printer Accessories Silver

$23.99

12pcs 2020 3-Way Corner Cube 2020 Extrusion Hardware T-Slot V-Slot Accessories with Screws and Nuts for 2020 Aluminum Extrusion Connector 3D Printer Accessories Black

Image of 10pcs 4040 Extrusion T Plate Joining Corner Brackets Connector T Slot Hardware 4040 V Slot Aluminum Extrusion Accessories with T Nuts and Screws for Extruded Aluminum Black

$49.50

10pcs 4040 Extrusion T Plate Joining Corner Brackets Connector T Slot Hardware 4040 V Slot Aluminum Extrusion Accessories with T Nuts and Screws for Extruded Aluminum Black

$22.50

24pcs Seekliny 3030 Aluminum Extrusion Connector Corner Bracket Joining 3030 Hardware T-Slotted Accessories V-Slot with Screws for 8020 Aluminum Profile 3D Printer Frame Spare Parts Silver

$18.50

10pcs 2020 Extrusion T Plate Joining Corner Bracket Connector T Slot Hardware 8020 V Slot Aluminum Extrusion Accessories with T Nuts and Screws for Extruded Aluminum Black

$29.50

24pcs 2020 Staight Connector Corner Bracket Joint Plate 2020 Hardware T-Slotted Accessories V-Slot with Screws for 8020 Aluminum Profile 3D Printer Accessories Black

$59.50

24pcs 4040 Staight Connector Corner Bracket Joint Plate 4040 Hardware T-Slotted Accessories V-Slot with Screws for 4040 Aluminum Profile 3D Printer Accessories Black

$16.50

12pcs 2020 Hardware 3-Way Corner Bracket Angel Connector for 2020 Aluminum Profile 3D Printer Frame Accessories Black 2020 Aluminum Extrusion V-Slot Accessories T-Slotted with Screws

$28.99

24 Pack 3030 Corner Bracket Connector 30 Series Aluminum Extrusion Profile Accessories Hardware, 90 Degree Angle Bracket for 30x30 Extruded Aluminum Black

$33.50

12pcs 3030 45 Degree Inside Corner Angle Support Bracket, 30x30 Aluminum Extrusion Connector Hardware Accessories T-Slot V-Slot Black

$33.50

12pcs 3030 Brackets T Plate Connector Joint Plate T Slot Hardware V Slot Accessories 3030 Aluminum Extrusion Bracket Silver

$36.50

12pcs Black 2040 Aluminum Extrusion Joint Plate Connector Corner L Bracket 12-Hole 2040 V Slot Hardware T Slotted Accessories With T Nuts and Screws For Aluminum Profile 3D Printer Frame Part

$28.98

12pcs 3030 3-Way Angel Bracket Corner Connector 3030 Aluminum Extrusion Hardware T-Slot Accessories V-Slotted with Screws for 3030 Aluminum Profile 3D Printer Frame Parts Silver

$29.50

12pcs 2040 T Corner Bracket Joining Plate T Slotted Accessories 12-Hole 2040 Hardware Connector 2040 with T Nuts and Screws Silver

$28.99

24 Pack 3030 Corner Bracket Connector 30 Series Aluminum Extrusion Profile Accessories Hardware, 90 Degree Angle Bracket for 30x30 Extruded Aluminum Silver

$49.50

12pcs 4040 Corner Bracket Angle 4040 Extruded Aluminum Hardware V-Slotted Accessories T-Slot with T Nuts and Screws for 4040 Aluminum Profile 3D Printer Frame Parts Silver

$33.50

12pcs 3030 45 Degree Inside Corner Angle Support Bracket, 30x30 Aluminum Extrusion Connector Hardware Accessories T-Slot V-Slot Black

$24.49

24pcs Seekliny 3030 Aluminum Extrusion Corner Bracket 3030 Hardware Accessories T-Slot with Screws for 8020 Aluminum Profile 3D Printer Accessories Silver

$29.50

12pcs 2020 Corner Bracket Angle 2020 Aluminum Extrusion Hardware T-Slotted Accessories V-Slot with T Nuts and Screws for 8020 Aluminum Profile 3D Printer Frame Parts Silver

$24.99

12 Pack 2020 Extrusion Sliding Hook for 20 Series T-Slot V-Slot Aluminum Extrusion Hardware Accessories Black

Image of 12pcs 3030 45/135 Degree Corner Bracket Connector 3030 Extrusion Hardware T-Slot V-Slot Accessories with Screws and Nuts for 3030 Extrusion Angle 3D Printer Framing Accessories Silver

$30.59

12pcs 3030 45/135 Degree Corner Bracket Connector 3030 Extrusion Hardware T-Slot V-Slot Accessories with Screws and Nuts for 3030 Extrusion Angle 3D Printer Framing Accessories Silver

$33.50

12pcs 3030 L Corner Bracket Joining Plate T Slotted Accessories 3030 Hardware Connector 3030 with T Nuts and Screws Silver

$29.50

12pcs 2040 L Corner Bracket Joining Plate T Slotted Accessories 12-Hole 2040 Hardware Connector 2040 with T Nuts and Screws Silver

Product Technical Information

Product Code	B0CQ2CCNRG
Market Place	amazon.com
Market Place Name	Amazon.com
Brand Name	SeekLiny
Rating	4.3 ( 166 ratings )
Category	Brackets
Manufacturer	SeekLiny
Model Number	SeekLiny-US-30LPlate-Silver-12
Item Color	Silver
Item Size	30S
Item Dimensions	4.33 x 3.94 x 3.54 inches

Frequently Asked Questions

What is the lowest price ever for this product? ▶

The lowest price for 12pcs 3030 L Corner Bracket Joining Plate T Slotted Accessories 3030 Hardware Connector 3030 with T Nuts and Screws Silver was $26.80 on 20th Nov 2025. This is the best recorded deal so far.
What is the highest price ever for this product? ▶

The highest price for 12pcs 3030 L Corner Bracket Joining Plate T Slotted Accessories 3030 Hardware Connector 3030 with T Nuts and Screws Silver was $40.00 on 8th May 2024. Prices have dropped since then.
What is the average price of this product? ▶

The average price for 12pcs 3030 L Corner Bracket Joining Plate T Slotted Accessories 3030 Hardware Connector 3030 with T Nuts and Screws Silver is $30.52 (19 data points). This helps you compare current deals.
What is the lowest price in the last 3 months? ▶

In the last 3 months, 12pcs 3030 L Corner Bracket Joining Plate T Slotted Accessories 3030 Hardware Connector 3030 with T Nuts and Screws Silver reached a low of $26.80 on 20th Nov 2025. Recent price trends may help you decide when to buy.
Should I buy this product now? ▶

Worth buying. The price is good, but you may wait for a better deal. 43% chance price goes up. Price may increase soon.