rag boltn.

Brit.

/ˈraɡ bəʊlt/, U.S.

/ˈræɡ boʊlt/

Forms: 1600s ragg bolt, 1600s– rag bolt, 1700s– rack bolt.

Origin: Formed within English, by compounding. Etymons: rag n.², bolt n.¹

Etymology: < rag n.² (compare rag n.² 12) + bolt n.¹In form rack bolt probably by association with rack n.⁴

Engineering.

A bolt having barbs on the shaft directed towards the head, so that it cannot be easily withdrawn after it is driven in.

ΘΚΠ

society > occupation and work > equipment > building and constructing equipment > fastenings > [noun] > bolt > types of

round bolt1582

ringbolt1599

pikebolt1622

rag bolt1625

set-bolt1627

clinch-bolta1642

eyebolt1649

clinch1659

screw-bolt1690

king bolt1740

wrain-bolt1750

wraining-bolt1769

toggle-bolt1794

strap-bolt1795

wring-bolt1815

through-bolt1821

truss-bolt1825

slip-stopper1831

stud bolt1838

anchor bolt1839

king rod1843

joint bolt1844

spade-bolt1850

shackle-bolt1852

roof bolt1853

set-stud1855

coach bolt1869

truss-rod1873

fox-bolt1874

garnish-bolt1874

fang-bolt1876

stud1878

U bolta1884

rock bolt1887

hook bolt1899

tower bolt1911

explosive bolt1948

1625 H. Mainwaring Nomenclator Navalis (MS BL Add. 21571) f. 22^v Rag bolts..are sharpende at one end and raggede that they mait not be drawne out.

1691 T. Hale Acct. New Inventions 47 The Ragg-bolts eaten away to nothing.

1769 W. Falconer Universal Dict. Marine sig. Y2 A rag-bolt, is retained in its situation by..barbs.

1793 J. Smeaton Narr. Edystone Lighthouse (ed. 2) §58 Of trenails, screws, and rack-bolts 2500 each.

1836 in Civil Engineer & Archit. Jrnl. 1 (1838) 150/2 Additional ties were..put in at every other oak pile, and..secured down by rag-bolts.

1901 Times 12 Apr. 8/5 The rag-bolt which protects the screw having been broken or bent, Prince Henry's flagship will not be able to take part in the approaching naval manœuvres.

2004 Pulse (Nexis) 7 June 15 Drugs should be stored in lockable rooms..in locked metal cabinets fixed to solid walls or floors using rag bolts.

This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022).

单词	rag bolt
释义	rag boltn. Brit. /ˈraɡ bəʊlt/, U.S. /ˈræɡ boʊlt/ Forms: 1600s ragg bolt, 1600s– rag bolt, 1700s– rack bolt. Origin: Formed within English, by compounding. Etymons: rag n.², bolt n.¹ Etymology: < rag n.² (compare rag n.² 12) + bolt n.¹In form rack bolt probably by association with rack n.⁴ Engineering. A bolt having barbs on the shaft directed towards the head, so that it cannot be easily withdrawn after it is driven in. ΘΚΠ society > occupation and work > equipment > building and constructing equipment > fastenings > [noun] > bolt > types of round bolt1582 ringbolt1599 pikebolt1622 rag bolt1625 set-bolt1627 clinch-bolta1642 eyebolt1649 clinch1659 screw-bolt1690 king bolt1740 wrain-bolt1750 wraining-bolt1769 toggle-bolt1794 strap-bolt1795 wring-bolt1815 through-bolt1821 truss-bolt1825 slip-stopper1831 stud bolt1838 anchor bolt1839 king rod1843 joint bolt1844 spade-bolt1850 shackle-bolt1852 roof bolt1853 set-stud1855 coach bolt1869 truss-rod1873 fox-bolt1874 garnish-bolt1874 fang-bolt1876 stud1878 U bolta1884 rock bolt1887 hook bolt1899 tower bolt1911 explosive bolt1948 1625 H. Mainwaring Nomenclator Navalis (MS BL Add. 21571) f. 22^v Rag bolts..are sharpende at one end and raggede that they mait not be drawne out. 1691 T. Hale Acct. New Inventions 47 The Ragg-bolts eaten away to nothing. 1769 W. Falconer Universal Dict. Marine sig. Y2 A rag-bolt, is retained in its situation by..barbs. 1793 J. Smeaton Narr. Edystone Lighthouse (ed. 2) §58 Of trenails, screws, and rack-bolts 2500 each. 1836 in Civil Engineer & Archit. Jrnl. 1 (1838) 150/2 Additional ties were..put in at every other oak pile, and..secured down by rag-bolts. 1901 Times 12 Apr. 8/5 The rag-bolt which protects the screw having been broken or bent, Prince Henry's flagship will not be able to take part in the approaching naval manœuvres. 2004 Pulse (Nexis) 7 June 15 Drugs should be stored in lockable rooms..in locked metal cabinets fixed to solid walls or floors using rag bolts. This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022). < n.1625
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