Description

Key Features

Hardened Through the Tool

Forged from hardened chrome vanadium steel and tempered to 54 to 58 HRC through the full length, not just at the tip. That matters when the punch sees repeated hammer strikes and needs to hold shape over time.

Octagon Body Grip

The octagonal shape is easier to control when lining up a pin punch and striking it with a hammer. It also helps keep the tool from rolling off a bench or cart.

Clean Working Tip

The Knipex 9R 453 103 KUS 11/64″ x 6″ Pin Punch has a ground and polished tip with rounded edges to help drive pins cleanly without beating up the surrounding workpiece.

Overview

The Knipex 9R 453 103 KUS 11/64″ x 6″ Pin Punch is a precision hand punch built for installing and driving pins out of holes. This is a pin punch designed for pin installation and pin removal in shop, construction, and repair work. Model Number: 9R 453 103 KUS. If you need a punch that stays straight, strikes cleanly, and holds up to repeated hammer use, this is the kind of simple tool that earns its spot fast.

At the working end, the 11/64 inch tip size gives you a defined contact point for driving pins without spreading force across the surrounding surface. The tip is ground and polished, which helps it start cleanly and track better in the hole. Rounded edges are there for a reason too: they help reduce marring around the work area when you are working close to finished surfaces or tighter tolerances.

The big durability story here is the steel and heat treatment. This punch is forged from hardened chrome vanadium steel and tempered to 54 to 58 HRC through the entire tool length. That full-length hardness matters because the striking end takes abuse over time. Knipex and Rennsteig also use a material core design intended to reduce mushrooming at the struck end, which means longer service life and less cleanup at the top of the tool after repeated hits.

The body shape is another detail that makes sense in real use. Instead of a round body that wants to roll away, this pin punch uses an octagonal profile. That gives you a more secure grip when positioning the tool and makes it less likely to wander off a flat surface when you set it down. On a crowded bench or cart, that is not a small thing.

The finish combines a gold lacquered body with polished tips, making the working end easy to identify while also protecting the rest of the tool. It is built to DIN 7255 standards and made in Germany, which lines up with what most buyers expect from Rennsteig-made striking tools under the Knipex group umbrella: straightforward design, proper steel, and consistent geometry.

This hand punch is a good fit for metalworking, woodworking, construction, and general repair where roll pins, dowel pins, or similar hardware need to be seated or removed cleanly. If you are a mechanic, fabricator, contractor, or serious DIY user who would rather buy one good punch than replace cheap ones after the tip deforms, this is the better route.

Built to Take Repeated Strikes

This is the kind of punch you buy because the steel and heat treatment matter more than flashy packaging. It is made for repeated hammer contact without quickly deforming at either end.

• Forged from hardened chrome vanadium steel
• Tempered to 54 to 58 HRC through the entire tool length

Better Control at the Bench

The octagonal body is a practical upgrade over a smooth round punch. It gives your fingers a better reference point and helps the tool stay put when you set it down between strikes.

• Octagon design improves grip while positioning the punch
• Helps prevent rolling on benches, carts, and work surfaces

Made for Clean Pin Work

On a pin punch, tip quality decides whether the tool works cleanly or starts slipping around. The polished tip and rounded edges help you stay accurate while being easier on the surrounding material.

• Ground and polished tip for accurate contact
• Rounded edges help reduce damage to the workpiece

Key Specifications

Tool Type	Pin Punch
Overall Length	6 in.
Tip Diameter	11/64 in. (0.17 in.)
Material	Chrome Vanadium Steel
Hardness	54 to 58 HRC
Finish	Gold lacquered finish with polished tip
Weight	0.15 lbs
Made In	Germany

Built For

Metalworking Woodworking Construction Pin installation and removal

Pro Tip

Start the pin with a few lighter taps to seat the 11/64 inch tip squarely before you hit harder. With a punch this size, getting aligned early keeps the tip from skating and helps protect the area around the hole.

Warranty & Support

Limited lifetime warranty.

Tool Nut’s Take

Tool Nut’s Take

Knipex 9R 453 103 KUS 11/64″ x 6″ Pin Punch Keeps the Basics Right

This is a straightforward German-made pin punch with the steel, shape, and tip finish you want if you actually plan to use it instead of just leaving it in a drawer.

• Who it’s for: Mechanics, metalworkers, contractors, and serious DIY users who need to drive pins cleanly without chewing up the workpiece.
• Why it stands out: Full-length hardness, an octagon body that is easier to control, and a polished working tip are the details that separate a good punch from a disposable one.
• Worth knowing: This is an individual hand punch, not a set, so make sure 11/64 inch is the exact size your work calls for.

Common Questions

• What is this tool used for? It is used to install and drive pins out of holes.
• What size is the tip? The tip diameter is 11/64 inch, listed as 0.17 inch.
• What is it made from? It is forged from hardened chrome vanadium steel.
• Where is it made? This pin punch is made in Germany.