A40-HPU_US-EN

B

DRILLING | High Performance and Universal Replaceable Insert Drilling System

High Performance / Universal Spade Drill Insert Holders B Series

A

L 1

DRILLING

L 7

L 4

D 2

D 1

P 1

L 3HP

L 3U

B

Straight Shank

Holder

Shank

BORING

Length

D 1 Range

Style #150 #100 #100 #100 #200 #200 #200 #250

Part No.

L 3HP

L 3U

L 4

L 1

D 2

L 7

P 1

20421-1000 20621-1000 20621-1250 20621-1500 20821-1000 20821-1250 20821-1500 21021-1250

Short Short Short Short

1-1/4 - 1-3/4 3-25/32 4-3/32 1-1/4 - 1-3/4 3-25/32 4-3/32 1-1/4 - 1-3/4 3-25/32 4-3/32 1-1/4 - 1-3/4 3-25/32 4-3/32

3-1/2 3-1/2 3-1/2 3-1/2

7 7 7 7

1 1

3-1/2 3-1/2 3-1/2 3-1/2 3-1/2 3-1/2 3-1/2 3-1/2

-

1/4 1/4 1/4 1/4 1/4 1/4 1/4

1-1/4 1-1/2

Standard 1-1/4 - 1-3/4 8-13/32 8-23/32 8-1/8 Standard 1-1/4 - 1-3/4 8-13/32 8-23/32 8-1/8 Standard 1-1/4 - 1-3/4 8-13/32 8-23/32 8-1/8

11-5/8 11-5/8 11-5/8 18-1/2

1

1-1/4 1-1/2 1-1/4

C

Long

1-1/4 - 1-3/4 15-9/32 15-19/32

15

REAMING

D

BURNISHING

E

THREADING

Connection Accessories

A40: 10 - 11

A40: 40

X

Key on A40: 1

Clamping Screw

Blade-Loc Screw

= Imperial (in) = Metric (mm )

1/4"-20 x 7/8

-

SPECIALS

Refer to Speed and Feed charts for recommended adjustments to speeds and feeds. Refer to page A40: 48 for deep hole drilling guidelines in this section of the catalog. Visit www.alliedmachine.com/DeepHoleGuidelines for the most up-to-date information and procedures. Factory technical assistance is available for your specific applications through our Application Engineering Team. WARNING

A40: 12

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