Starrett Automatic Center Punch 100mm Length 7/16 Inch Diameter Adjustable Stroke Hardened Steel Metal 18AA
Why you'll like it
- Hammerless Operation — Internal spring-loaded mechanism automatically strikes a punch dimple with simple downward hand pressure.
- Adjustable Impact Force — Rotate the top knurled cap to easily regulate stroke intensity for softer or harder materials.
- Durable Build — Crafted from hardened and tempered steel components to provide exceptional wear resistance and strength.
- Secure Grip — Lightweight body features a knurled handle design for positive control and easy handling during precision tasks.
- Replaceable Tip — Conical steel point can be unscrewed for simple regrinding or complete replacement when worn.
Product details
Description
The Starrett 18AA Automatic Center Punch is an essential precision tool designed for machinists, carpenters, and metalworkers who require accuracy and reliability. Measuring 100mm in length with a 7/16 inch diameter, this tool features an internal spring-loaded mechanism that delivers a powerful striking blow without the need for a traditional hammer.
Simply apply downward hand pressure to create a clean, uniform starter dimple on wood, plastic, or metal surfaces before drilling. Built with a durable hardened and tempered steel body, it ensures long-lasting wear resistance and strength.
The knurled cap allows you to easily adjust the stroke impact force to suit different material hardness levels, while the removable steel point can be unscrewed for convenient sharpening or replacement. Engineered for superior grip and effortless handling, this professional-grade center punch provides maximum control and consistent results for intricate fabrication and workshop tasks.
How to use
- Position the tip of the punch upright against your workpiece where you want to drill.
- Hold the tool securely with one hand while keeping your other hand free to steady the material.
- Press down on the handle to trigger the internal spring and strike a precise pilot dimple.
- Rotate the top knurled cap to adjust the impact force for softer or harder materials as needed.
Ingredients
Hardened and tempered steel alloy, internal steel spring mechanism, removable steel point
As printed by the brand. Check the pack label if you have an allergy.
Specifications
| Brand | Starrett |
|---|---|
| Ships from | USA (sourced directly), checked in Navi Mumbai |
| Sold by | Dropy.in |
Ratings & reviews
From our customers
Top reviews first: highest rated, with photos first
- Nikhil P.5 ★
ekdam mast tool ahe
amchya eka colleague ne ha punch recommend kela hota karan me drill work chya veli khup tras karat hoto. tyane sangitlelya pramane knurled cap mule grip changli bhetate aani hand pressure deunach kaam hote, khupach faydeshir ahe
- Aditya R.5 ★
works great for quick dimples
Saw this online while looking at workshop gear and ordered it for myself. The adjustable stroke feature makes it really convenient to control the depth on metal and wood without needing any hammer. Very solid build quality.
- Amit S.4 ★
peehli baar try kiya starrett
peehli baar is brand ka koi punch use kiya hai n experience thik thak raha hai, delivery thodi late aayi thi par 7/16 inch diameter wala ye tool metal par bina hammer ke clean dimple bana deta hai, kaafi useful cheez hai
- Rohan V.4 ★
handy for toolkit bag
kisi ne travel k time bag me rakhne ko bola tha toh ye le liya, 100mm length hone ki wajah se easily adjust ho jata hai bag me n heavy hammer carry karne ki jhanjhat khatam ho gayi, bas packaging thodi ordinary thi par tool solid hai
FAQs
How does an automatic center punch work?
An automatic center punch uses an internal spring mechanism loaded by downward hand pressure. When pressed against a workpiece, it releases to deliver a precise striking blow without requiring a hammer.
Can the tip of the Starrett 18AA punch be replaced?
Yes, the conical steel point is removable and can be unscrewed easily for sharpening, regrinding, or complete replacement.
How do you adjust the striking force?
You can regulate the impact force by turning the knurled cap on top of the tool, screwing it down for deeper marks or upward for lighter marks.
Are the products sold on Dropy authentic and imported from the USA?
Yes, Dropy sources all products directly from the USA to guarantee 100% authenticity and genuine manufacturer quality for Indian customers.
What materials can this center punch be used on?
This tool is versatile and designed to create starter dimples on various materials including metal, wood, and plastic before drilling.
How long will delivery take?
Most orders arrive in 15–20 days: we source each product directly from the USA, check it at our Navi Mumbai warehouse and pack it on video. Items marked Dropy Express ship from our India warehouse and arrive in 3–5 days.
Is cash on delivery available?
Full cash on delivery is available all over India on Dropy Express items. For other orders from ₹2,499 to ₹15,000 you can use Partial COD: pay 25% online now and the rest in cash on delivery.
Are your products genuine?
Yes. Every product is 100% authentic, sourced directly from the USA, quality-checked and packed on video at our Navi Mumbai warehouse.
What if my order arrives damaged or wrong?
Write to us at [email protected] as soon as it arrives. Damaged, wrong or not as described, our Buyer Protection gives you a full refund. The details are in our Return, Refund & Cancellation Policy.
Is delivery free?
Delivery is free on orders from ₹1,499. Below that a ₹79 delivery fee applies.