Page 898 - Tungaloy Catalog

Gun Drills
Drill body

Specifications of A type drivers øDc 20°
Tool dia. Driver dia.
øDc (mm) øDs (mm) øDs h6
3.00 ≤ øDc < 5.50 12.70 (.500”) 30° R 25 25
5.50 ≤ øDc < 12.70 19.05 (.750”) 70
12.70 ≤ øDc < 20.00 25.40 (1.00”) L
20.00 ≤ øDc ≤ 24.00 31.75 (1.25”) 1°30'
C1 1.5 C1
2
Stock

Tool Cat. No. Cat. No. Cat. No. Cat. No. Cat. No.
dia.
øDc Overall length Stock Overall length Stock Overall length Stock Overall length Stock Overall length Stock
(mm) L: 400 (mm) L: 600 (mm) L: 1000 (mm) L: 1250 (mm) L: 1650 (mm)
3 SLJ0300L0400NA SLJ0300L0600NA
5 SLJ0500L0600NA SLJ0500L1000NA
5.5 SLJ0550L0600NA
6 SLJ0600L0600NA SLJ0600L1000NA SLJ0600L1250NA SLJ0600L1650NA
6.1 SLJ0610L1250NA SLJ0610L1650NA
6.2 SLJ0620L1250NA SLJ0620L1650NA
7 SLJ0700L0600NA SLJ0700L1000NA SLJ0700L1250NA SLJ0700L1650NA
8 SLJ0800L0600NA SLJ0800L1000NA SLJ0800L1250NA SLJ0800L1650NA
8.1 SLJ0810L1250NA SLJ0810L1650NA
8.2 SLJ0820L1250NA SLJ0820L1650NA
10 SLJ1000L0600NA SLJ1000L1000NA SLJ1000L1250NA SLJ1000L1650NA
10.1 SLJ1010L1250NA SLJ1010L1650NA
10.2 SLJ1020L1250NA SLJ1020L1650NA
12 SLJ1200L1250NA SLJ1200L1650NA
11 12.1 SLJ1210L1250NA SLJ1210L1650NA
12.2 SLJ1220L1250NA SLJ1220L1650NA
* Other sized drills are also made to order.
: Stocked in Japan
Drilling Tools Guidelines for attainable accuracies Tip length

Tool dia.
Surface
Workpiece roughness Roundness Cylindricity Over size øDc (mm) Tip length
R(mm)
materials (µm) (µm) (µm) (µm) 3.0 ≤ øDc < 4.0 15
Carbon and alloy 6 - 25 5 - 10 10 - 15 -5 - 30 4.0 ≤ øDc < 5.0 20
steels 25
Cast irons 5.0 ≤ øDc < 10.0
(FC,FCD / GG, GGG) 3 - 15 3 - 5 5 - 10 -5 - 15 10.0 ≤ øDc < 15.0 30
15.0 ≤ øDc < 20.0 35
Aluminum alloys, 0.3 - 6 3 - 5 5 - 10 -10 - 5
Copper alloys 20.0 ≤ øDc ≤ 24.0 40
Note: Over size values given in the table are based on the tool diameter.

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