BAUMR-AG Jack Hammer Star Picket Stake Post Driver Chisel Jackhammer Bit

Frequently Asked Questions

What jackhammers is this 80mm chisel compatible with?

This Baumr-AG Pin Driving Chisel works with any jackhammer that has a 30mm hex connection (1.2" Hex Size). It's compatible with Baumr-AG, Hitachi (PH65, PH65SA, H65SB2, H70SA), Makita (HM1303, HM1317C, HM1307C, HM1304, HR1400, HR1317C), ROK 150-36-551, TWM, Millers Falls PT4370, Z1G-DW-45 and more. If you're not sure whether your jackhammer fits, check that your current bit has a 30mm hex fitting — if it does, this chisel will work.

How quickly can I get this delivered in Australia?

Yarra Supply dispatches orders promptly from our Australian warehouse. The exact delivery timeframe depends on your location and chosen shipping method at checkout. The product weighs 2.6kg and ships in a 3kg carton (10 x 41 x 10cm), so standard postage is typically affordable. Contact Yarra Supply directly if you need specific delivery timing for your project deadline.

Is this chisel worth the price compared to other brands?

At $67.95 AUD, this Baumr-AG chisel offers exceptional value. The description notes that comparable chisels from other brands retail for over $280, and Baumr-AG maintains unparalleled quality standards backed by a full One Year Warranty. You're getting contractor-grade performance at a fraction of the price of premium imports, which is why Baumr-AG is recognised as the online industry leader in Australia.

What can I use this stake driver chisel for?

This 80mm Pin Driving Chisel is perfect for concrete floors, retaining walls, hard clay, formwork, ground stabilisation, underpinning, and foundation work. The 40mm recessed head provides excellent material contact, so it handles even horizontal work efficiently. It's designed to drive ground pins and stakes firmly and quickly, making it ideal for landscaping, construction, and civil works projects across Australia.

What if I'm not happy with my purchase?

Yarra Supply offers a 14-day change of mind return policy from when you receive the item. The chisel must be in re-saleable condition to qualify for a refund. Please note that deductions may apply for initial and return shipping costs, plus a 10% restocking fee. If your item arrives faulty or damaged, contact Yarra Supply immediately — that's a different matter and may be covered under warranty or damage claims.

What are the exact dimensions and weight of this chisel?

The Baumr-AG Pin Driving Chisel measures 80mm internal diameter with a 40mm recessed depth, 90mm external diameter, and 280mm chisel length. It weighs 2.6kg, making it substantial enough for serious work without being unmanageable. The 1.2" (30mm) hex fitting connects securely to compatible jackhammer models.

Is this a genuine Baumr-AG product with warranty?

Yes, this is an authentic Baumr-AG chisel backed by an extensive One Year Warranty. Baumr-AG is the established online industry leader for quality power tool accessories in Australia. The warranty covers manufacturing defects, so you can purchase with confidence knowing you're protected. Yarra Supply is an authorised stockist, so you're buying genuine product direct from a trusted Australian retailer.