roof-shaped

Application with square shank for breast drill with parallel shank for drill chuck and machine with entering tap for cross-piece drilling with chip groove for deep drilling with roof-shaped point for non-fibrous materials and end-grained wood with centre point for exact advance with feed thread for manual work without feed thread for machine work with short die head for flat drilling

7. Hand Tools Dieter Zemmrich 1993

Applications twist drill with roof-shaped point diameter thread length

7. Hand Tools Dieter Zemmrich 1993

Twist drills with a roof-shaped point and a short robust shank are mainly applied for dowel bit bores in solid wood or cross grain wood.

3. Tools Frank Wenghfer 1993

File lips from below, do not interrupt the connection between the lips and the infeed thread, hone carefully. sharpening of twist drills with roof-shaped point

10. Setting-up of Tools Dieter Zemmrich 1993

For drilling of round bores twist drills with a roof-shaped point or with a centre point are applied.

3. The Tools Johannes Schollbach 1993

He took a folded piece of tin from his pack and with a few magic passes turned it into a roof-shaped structure resting on its side on two short steel legs.

I Married a Ranger Dama Margaret Smith 1932

I can place over the ice a roof-shaped cover made of two inclined slabs of thick plate glass.

The Birth-Time of the World and Other Scientific Essays John Joly 1895

The hand set of burnishers has four which are pear-shaped and vary in size, and one which is rather small and roof-shaped.

Tin Foil and Its Combinations for Filling Teeth Henry Lovejoy Ambler 1883

And from there, by rare good fortune, we do see it – a huge, roof-shaped mass, sloping, and smooth, and snowy white against a leaden sky.

Untrodden Peaks and Unfrequented Valleys 1873

We turned aside early in our march to avoid being wetted by rains, and took shelter in some old Babisa sheds; these, when the party is a slaving one, are built so as to form a circle, with but one opening: a ridge pole, or rather a succession of ridge poles, form one long shed all round, with no partitions in the roof-shaped hut.

The Last Journals of David Livingstone from 1865 to His Death Ed 1874