38.1MM BTA
Customized
Stub-length
Core Drill Bit
Solid Carbide
Metal Drilling
BTA Drill Head
38.1
Replaceable
White or Black
International Express
size
Dezhou
Product Description
STS BTA Deep Hole Drilling Head -BTA DRILL HEAD
Feature: short lead time, high quality, cutting tool body is Aviation pre hardening material!
Production Characteristics- Single pipe BTA DRILL HEAD
- it's our manufactured S type BTA deep hole drilling head.
- It adopts high quality alloy steel material,with super coating inserts.
- carbide guide pads, high efficiency, easy install and low cost
- widely machining for different material
DRILL HEAD


Drill bar

solid carbide guide pad

inserts

Example 25-65mm list
Drilling head diameter | Central inserts | Qty | Intermiddle insets | Qty | Peripheral inserts | Qty | Guide pad | Qty |
25~28.7 | 800-050308M-C-G | 1 | 800-050308M-I-G/L | 1 | 800-060308H-P-G/L | 1 | 800-06A | 2 |
28.71~31.00 | 800-06T308M-C-G | 1 | 800-050308M-I-G/L | 1 | 800-060308H-P-G/L | 1 | 800-06A | 2 |
31.01~33.30 | 800-06T308M-C-G | 1 | 800-060308M-I-G/L | 1 | 800-08T308H-P-G/L | 1 | 800-07A | 2 |
33.31~36.20 | 800-08T308M-C-G | 1 | 800-06T308M-I-G/L | 1 | 800-08T308H-P-G/L | 1 | 800-07A | 2 |
36.21~39.6 | 800-08T308M-C-G | 1 | 800-08T308M-I-G/L | 1 | 800-08T308H-P-G/L | 1 | 800-07A | 2 |
39.61~43 | 800-08T308M-C-G | 1 | 800-08T308M-I-G/L | 1 | 800-09T308H-P-G/L | 1 | 800-08A | 2 |
43.01~47.00 | 800-10T308M-C-G | 1 | 800-08T308M-I-G/L | 1 | 800-09T308H-P-G/L | 1 | 800-08A | 2 |
47.01-51.7 | 800-10T308M-C-G | 1 | 800-08T308M-I-G/L | 1 | 800-11T308H-P-G/L | 1 | 800-10A | 2 |
51.71-56.2 | 800-10T308M-C-G | 1 | 800-12T308M-I-G/L | 1 | 800-11T308H-P-G/L | 1 | 800-10A | 2 |
56.21-59 | 800-10T308M-C-G | 1 | 800-12T308M-I-G/L | 1 | 800-11T308H-P-G/L | 1 | 800-12A | 2 |
60-65 | 800-12T308M-C-G | 1 | 800-12T308M-I-G/L | 1 | 800-11T308H-P-G/L | 1 | 800-12A | 2 |

