Armeg Product Guide

HSS Roll-Forged Jobber Drill Bits

HSS Roll-Forged Jobber Drill Bits Part Numbers & Technical Information

Perfect for….. A great general purpose metal cutting drill bit

HSS Roll-Forged Jobber Drill Bits - Metric Range

Diameter Size mm

Overall Length

Working Length

Part Number Packs of 5

Singles

Packs of 10

mm

mm

1.0 1.5 2.0 2.5 3.0 3.3 3.5 4.0 4.2 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5

34 40 49 57 61 65 70 75 75 80 86 93 93

12 18 24 30 33 36 39 43 43 47 52 57 57 63 69 69 75 75 81 81 87 87 94 94

YM0100W YM0150W YM0200W YM0250W YM0300W YM0330W YM0350W YM0400W YM0420W YM0450W YM0500W YM0550W YM0600W YM0650W YM0700W YM0750W YM0800W YM0850W YM0900W YM0950W YM1000W YM1050W YM1100W YM1150W YM1200W YM1250W YM1300W

- - - - - - - - - - - - - - - - - - - - -

YM0100L YM0150L YM0200L YM0250L YM0300L YM0330L YM0350L YM0400L YM0420L YM0450L YM0500L YM0550L YM0600L YM0650L YM0700L YM0750L YM0800L YM0850L YM0900L YM0950L YM1000L

HSS Jobbers can be used in: • Steel • Non-ferrous • Wood • Plastics

Full Range of diameters from 1.0 to 13.0 in 0.5mm increments for flexibility to cover a broad range of applications

A

Roll-Forged Flutes rapidly remove spoil for progressive drilling actions

B

A

E

Ideal Performance in steel and cast materials to 580 H/mm²

C

101 109 109 117 117 125 125 133 133 142 142 151 151 151

Optimal 118° grinding processes ensure drill balance, reliable performance and hole tolerance. The tip angle also ensures the HSS Jobber Bits are versatile for a variety of applications and materials.

D

B

10.0 10.5 11.0 11.5 12.0 12.5 13.0

DID YOU KNOW?

YM1050L YM1100L YM1150L YM1200L YM1250L YM1300L

- - - - - -

E

Steam Tempered to improve durability

101 101 101

C

Our HSS Jobbers are available in metric, imperial, sets and longer length varieties

Sets

Set Contents

Part Number

7 Piece

1.5, 2.0, 3.0, 4.0, 5.0, 5.5, 6.0mm

YMSET7

19 Piece

1 - 10mm in 0.5mm increments

YMSET19

25 Piece

1 - 13mm in 0.5mm increments

YMSET25

HSS Jobbers are ideal for: • Fixing holes • Tapping & clearance holes

Operation Speed Chart Diameter Mild Steel

Free-Cutting

Grey Cast Iron

Aluminium

Copper

Brass RPM 6366 3183 2122 1592 1273

Size mm

RPM

Stainless Steel RPM

RPM

RPM

RPM

• Great when working in: • Automotive maintenance • Light engineering • Workshops • Plumbing & electrical applications

2 4 6 8

3501 1751 1167

2228 1114

5252 2626 1751 1313 1050

6366 3183 2122 1592 1273

6366 3183 2122 1592 1273

743 557 446 343

875 700 539

118°

10 13

808

979

979

979

D

Please visit www.armeg.com for full operation speed chart

Turn over for Imperial & Long Series ranges

DID YOU KNOW?

Roll-Forged bits are twisted when forged in the manufacturing process. This causes the molecular structure of the steel to follow the flute giving good durability

When drilling steel and alloys

Available in 7, 19, & 25 Piece sets

Trade up to our premium HSS 135° split point drill bits when high usage applications are involved See page 85

Have you tried?

HSS 135° Split Point Drill Bits

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