Drills Manufacturer,Supplier and Exporter in India
Product Code : EL-CLE-9107
Jlab Export is a leading Drills Manufacturer,and suppliers in India
Two twist drill sets come under this item. One is a set of 18 straight shank cobalt steel drills from 1/16 in to 11/32 in diameter. They are taper length, 1 in to 4.75 in long, for jobs that need extra reach. The other is a high speed steel set in wire gauge sizes 1 to 60, kept in a steel carrying case.
Specifications
| Cobalt set | 18 straight shank drills, cobalt steel |
| Cobalt set diameters | 1/16 in to 11/32 in |
| Cobalt set lengths | 1 in to 4.75 in, taper length |
| Wire gauge set | Sizes 1 to 60, high speed steel |
| Wire gauge set case | Steel carrying case |
| Minimum order quantity | 10 units |
| Dispatch time | Usually 4–6 working days |
| Manufacturer | JLab (Jain Laboratory Instruments Pvt Ltd), Ambala, India |
Workshop Practice: Marking Out and Drilling
A basic exercise starts with marking hole centres on a mild steel plate and dotting each one with the centre punch from the Punch & Chisel Set. Students clamp the plate in a Drilling Machine Vice on the Drill Press, drill a small pilot hole and then open it up to size. They set a higher spindle speed for the small wire gauge drills and a lower one for the larger cobalt drills.
Wire gauge drills are small, and their size markings wear off. Students learn to identify a loose drill by measuring it with an External Micrometer and checking a size chart. Teachers can follow drilling with thread cutting, using the Tap & Die Set, Metric Small in holes drilled to tapping size.
Frequently Asked Questions
What are wire gauge drill sizes?
They are a numbered series of small drill diameters. Number 1 has the biggest diameter and number 60 the smallest, so the drill gets smaller as the number rises. The series fills the gaps between fractional inch and metric drills.
When should the cobalt drills be used instead of high speed steel?
Cobalt steel keeps its hardness at higher cutting temperatures than plain high speed steel, so it is chosen for tough metals such as stainless steel. For mild steel, brass and aluminium the high speed steel drills normally do the job.
What does taper length mean?
Taper length drills are longer than standard jobber drills of the same diameter, so they can reach into deeper holes. In the cobalt set the drills are 1 in to 4.75 in long.
Why punch the centre before drilling?
A drill point tends to wander on a flat surface. A centre punch mark gives the point a seat, so the hole starts where it was marked. For holes over a few millimetres, drill a small pilot hole first.
How do I stop a drill overheating?
Run small drills faster and large drills slower, feed steadily and use cutting fluid on steel. In deep holes, back the drill out often to clear the chips. A blue tint on the drill or the chips means it is running too hot.
Other Drill Bits and Drilling Machines
- HSS Universal Drill Bit Set
- Center and Flat Drill Bits Set
- Pillar Drill Machine
- Radial Drilling Machine
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Last updated: 5 November 2026
