Stub Drill D126 HSS Blu Bulk 10PK

£2.48 – £4.13

Stub Drill D126 HSS Blu Bulk 10PK

SKU: 01t28000001sNkqAAE Categories: , ,

Description

Sutton Tools Blue Bullet stub drills are a rigid twist drill for use in automatic lathes & hand drilling machines. Developed to drill holes for rivets in flat and curved panels and used in sheet metal fabrication. The blue finish reduces chip build up on the cutting edge and is a better choice when drilling ferrous materials.

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  • Flute Length designed for shallow hole drilling no deeper than 3 x diameter
  • 118° split point minimises wandering when starting
  • Precision engineered parallel shank for accurate hole size
  • Made from M2 High Speed Steel (HSS) offering the best combination of strength, heat & wear resistance
  • Blue surface finish for ferrous applications. The steam oxide finish prevents chip build-up on the cutting edges and reduces cutting friction, especially in low carbon steels
ISO VDI Description Condition Hardness Strength Optimal
P 1 Steel - Non-alloy, cast & free cutting (~ 0.15 %C) Annealed 125 440
P 2 Steel - Non-alloy, cast & free cutting (~ 0.45 %C) Annealed 190 640
P 3 Steel - Non-alloy, cast & free cutting (~ 0.45 %C) Quenched & Tempered 250 840
P 4 Steel - Non-alloy, cast & free cutting (~ 0.75 %C) Annealed 270 910
P 6 Steel - Low alloy & cast < 5% of alloying elements Annealed 180 610
P 7 Steel - Low alloy & cast < 5% of alloying elements Quenched & Tempered 275 930
P 10 Steel - High alloy, cast & tool Annealed 200 680
M 14.1 Stainless Steel - Austenitic Age Hardened 180 610
M 14.2 Stainless Steel - Duplex 250 840
K 15 Cast Iron, Grey (GG) - Ferritic / Pearlitic 180 610
K 17 Cast Iron, Nodular (GGG) - Ferritic 160 570
H 40 Cast Iron - Chilled Cast 400 1350

KEY

Optimal Effective PSteel MStainless KCast Iron NNon-Ferous Metals STitanium & Super Alloys HHard Materials
Designation
N
Material
HSS
Finish
Blu
Max Cut Depth
3xD
Shank Form
A
Helix Angle
R30
Point Tolerance
H8
Point Angle
135°
Point Form
Standard
Cutting Edges
ul