DC21-400 Pneumatic Core Drill-ROSIT GmbH

Description

Application

Used in-punching or coring on rock, concrete, reinforced concrete, asphalt concrete, ore and other non-metal or hard materials. Applied in indoor floor, wall, ceiling and other concrete and stone materials.

Features

● Double switch:

Ensure safe operation.

● Ergonomic hand grip design:

Low vibration and minimize operator's fatigue.

● Explosion-proof pneumatic motor:

Sparkle-free during operation and used in flammable and explosive environment.

● Gearbox:

Three gear speed regulation adjustable to ideal speed.

● Portable:

Aluminum alloy series, light, suitable for on-site operation.

● Adjustable holder:

Able to drill 0-90°inclined hole with fast speed and high accuracy.

Technical data

Specifications

Pneumatic Model	DC21-400
Hand-held drilling dia. (mm)	100
Fixed drilling dia. (mm)	400
Motor output (kw)	3.0
No load speed (rpm)	900
Torque (N·m)	45
Working pressure (Mpa)	0.4-0.6
Air hose (In)	3/4
Weight (kg)	13
Pneumatic KIT model	DC21-400K

Scope of delivery

Package

Standard Kit: Core Drill + Drill bit*1 + Exclusive tool case

Deluxe Kit: Standard Kit + Drill bits*2 + Pedestal + Water tank + Filter assy.

Accessories

Core Drill accessories

Alloy drill bit

Integrated hollow drill

Split hollow bit

Core Drill: Integrated hollow drill&Split hollow bit

Split hollow bit is divided into three parts: drill bit, connecting pipe and joint.

The connecting pipe and joint are reusable and the drill bit can be replaced if it is worn out.

Corresponding models of Core Drill accessories
Core Drill accessories	Model	Order No.	Drilling dia.
Pedestal	DC86-150	2301 6150	0-150mm
Pedestal	DC86-300	2301 6300	150-300mm
Pedestal	DC86-400	2301 6400	300-400mm
Pipe clamp	DC86-600	2301 6600	150-600, matched with DC86-150 to use
Water tank	DC87-010	2301 7010	10L Hand pressure water tank
Water tank	DC87-020	2301 7020	20L Hand pressure water tank
Bit extension rod	DC88-100	2301 8100	Length: 100mm
Bit extension rod	DC88-200	2301 8200	Length: 100mm
Bit extension rod	DC88-300	2301 8300	Length: 100mm
Bit extension rod	DC88-400	2301 8400	Length: 100mm
Bit extension rod	DC88-500	2301 8500	Length: 100mm
Bit extension rod	DC88-600	2301 8600	Length: 100mm
Integrated diamond hollow bit	DC81-XXX-XXX	2301 XXX-XXX	XXX/XXX (XXX-Indicates the opening diameter and depth)
Split diamond hollow bit	DC82-XXX-XXX	2302 XXX-XXX	XXX/XXX (XXX-Indicates the opening diameter and depth)

Optional accessories
Product	Description
Pedestal	DC86-150/300/400
Water tank	GP71-010/015/020/50
Vacuum pump	GP71-010/015/020/050
Filter assy.	GF21/2/3/4-075
Tool case
Assembly tool

Core Drill